120121021021210 has 16 divisors (see below), whose sum is σ = 235874004914592. Its totient is φ = 43680371280400.

The previous prime is 120121021021163. The next prime is 120121021021213. The reversal of 120121021021210 is 12120120121021.

It is a super-2 number, since 2×120121021021210² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120121021021213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546004640896 + ... + 546004641115.

It is an arithmetic number, because the mean of its divisors is an integer number (14742125307162).

Almost surely, 2^{120121021021210} is an apocalyptic number.

120121021021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120121021021210 is a deficient number, since it is larger than the sum of its proper divisors (115752983893382).

120121021021210 is a wasteful number, since it uses less digits than its factorization.

120121021021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092009282029.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 120121021021210 its reverse (12120120121021), we get a palindrome (132241141142231).

The spelling of 120121021021210 in words is "one hundred twenty trillion, one hundred twenty-one billion, twenty-one million, twenty-one thousand, two hundred ten".