210020100112120 has 32 divisors (see below), whose sum is σ = 472552297156800. Its totient is φ = 84006782817408.

The previous prime is 210020100112117. The next prime is 210020100112133. The reversal of 210020100112120 is 21211001020012.

It is a super-2 number, since 2×210020100112120² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 210020100112120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36579840 + ... + 41929999.

It is an arithmetic number, because the mean of its divisors is an integer number (14767259286150).

Almost surely, 2^{210020100112120} is an apocalyptic number.

210020100112120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210020100112120 is an abundant number, since it is smaller than the sum of its proper divisors (262532197044680).

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

210020100112120 is a wasteful number, since it uses less digits than its factorization.

210020100112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78576727 (or 78576723 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210020100112120 its reverse (21211001020012), we get a palindrome (231231101132132).

The spelling of 210020100112120 in words is "two hundred ten trillion, twenty billion, one hundred million, one hundred twelve thousand, one hundred twenty".