120021002100210 has 64 divisors (see below), whose sum is σ = 289903507581312. Its totient is φ = 31799726140416.

The previous prime is 120021002100203. The next prime is 120021002100227. The reversal of 120021002100210 is 12001200120021.

It is a super-2 number, since 2×120021002100210² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74197162 + ... + 75797498.

It is an arithmetic number, because the mean of its divisors is an integer number (4529742305958).

Almost surely, 2^{120021002100210} is an apocalyptic number.

120021002100210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120021002100210 is an abundant number, since it is smaller than the sum of its proper divisors (169882505481102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120021002100210 is a wasteful number, since it uses less digits than its factorization.

120021002100210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616427.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120021002100210 its reverse (12001200120021), we get a palindrome (132022202220231).

The spelling of 120021002100210 in words is "one hundred twenty trillion, twenty-one billion, two million, one hundred thousand, two hundred ten".