210100112120 has 32 divisors (see below), whose sum is σ = 472902477120. Its totient is φ = 84008538240.

The previous prime is 210100112099. The next prime is 210100112147. The reversal of 210100112120 is 21211001012.

It is a super-2 number, since 2×210100112120² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 876407 + ... + 1090086.

It is an arithmetic number, because the mean of its divisors is an integer number (14778202410).

Almost surely, 2^210100112120 is an apocalyptic number.

210100112120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210100112120 is an abundant number, since it is smaller than the sum of its proper divisors (262802365000).

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

210100112120 is a wasteful number, since it uses less digits than its factorization.

210100112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969175 (or 1969171 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 210100112120 its reverse (21211001012), we get a palindrome (231311113132).

The spelling of 210100112120 in words is "two hundred ten billion, one hundred million, one hundred twelve thousand, one hundred twenty".