101 in Words

How do you write 101 in words?

The number 101 is written one hundred one in words. As an ordinal it is one hundred first, and on a check you would write One hundred one and 00/100.

Last updated 19 June 2026

Other ways to write it

Cardinalone hundred one
Ordinalone hundred first
Currencyone hundred one dollars
Check formatOne hundred one and 00/100

How number-to-words spelling works

A cardinal number names a quantity (one hundred one), while an ordinal names a position (one hundred 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 101

  • 101 is an odd number.
  • It is a prime number.
  • Digit sum: 2.
  • Roman numerals: CI.
  • Binary: 1100101.
  • Hexadecimal: 65.
Place-value breakdown of 101
DigitPlace
1hundreds
0tens
1ones

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Frequently asked questions

How do you write 101 in words?

101 in words is "one hundred one".

How do you spell 101?

101 is spelled "one hundred one".

How do you write 101 on a check?

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

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