What is MMDXXI in Roman Numerals?

What is the value of MMDXXI in Roman numerals?

The Roman numeral MMDXXI is equivalent to 2521 in Arabic numerals.

Therefore, if you want to write the digit 2521 using Roman symbols, you must use the letter combination MMDXXI. This letter combination is equivalent in Roman writing to the Arabic numeral Two thousand five hundred twenty one.

MMDXXI = 2521

How should the Roman numeral MMDXXI 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 MMDXXI 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 five hundred twenty one".