What is MMCXXI in Roman Numerals?

What is the value of MMCXXI in Roman numerals?

The Roman numeral MMCXXI is equivalent to 2121 in Arabic numerals.

Therefore, if you want to write the digit 2121 using Roman symbols, you must use the letter combination MMCXXI. This letter combination is equivalent in Roman writing to the Arabic numeral Two thousand one hundred twenty one.

MMCXXI = 2121

How should the Roman numeral MMCXXI be read?

It should be noted that Roman letters symbolizing numbers should be read and written from left to right and in the order from largest to smallest.

If the Roman numeral MMCXXI is found in a text, it should be read as a natural number, that is, in this case it should be read as "Two thousand one hundred twenty one".