221 in Words

How do you write 221 in words?

The number 221 is written two hundred twenty one in words. As an ordinal it is two hundred twenty first, and on a check you would write Two hundred twenty one and 00/100.

Last updated 19 June 2026

Other ways to write it

Cardinaltwo hundred twenty one
Ordinaltwo hundred twenty first
Currencytwo hundred twenty one dollars
Check formatTwo hundred twenty one and 00/100

How number-to-words spelling works

A cardinal number names a quantity (two hundred twenty one), while an ordinal names a position (two hundred twenty first). English hyphenates compound numbers from twenty-one to ninety-nine and groups digits into thousands, millions, and billions.

For house-style rules on spelling out numbers, see the Chicago Manual of Style, or read our guide to spelling numbers in words.

Facts about 221

  • 221 is an odd number.
  • It is not a prime number.
  • Digit sum: 5.
  • Roman numerals: CCXXI.
  • Binary: 11011101.
  • Hexadecimal: DD.
Place-value breakdown of 221
DigitPlace
2hundreds
2tens
1ones

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Frequently asked questions

How do you write 221 in words?

221 in words is "two hundred twenty one".

How do you spell 221?

221 is spelled "two hundred twenty one".

How do you write 221 on a check?

On a check, write "Two hundred twenty one and 00/100".

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