121 in Roman numerals

The number 121 is written in Roman numerals like this: CXXI

CXXI = 121

How to write 121 in Roman numerals

Split the number by place value and write each part in Roman numerals:

• 100 = C
• 20 = XX
• 1 = I

Put the parts together: C + XX + I = CXXI.

Going the other way? See the Roman numeral CXXI.

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120 in Roman numerals: CXX

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122 in Roman numerals: CXXII

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