210112100112 has 20 divisors (see below), whose sum is σ = 542789592080. Its totient is φ = 70037366688.

The previous prime is 210112100089. The next prime is 210112100113. The reversal of 210112100112 is 211001211012.

It is a super-2 number, since 2×210112100112² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (210112100113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2188667662 + ... + 2188667757.

It is an arithmetic number, because the mean of its divisors is an integer number (27139479604).

Almost surely, 2^210112100112 is an apocalyptic number.

It is an amenable number.

210112100112 is an abundant number, since it is smaller than the sum of its proper divisors (332677491968).

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

210112100112 is a wasteful number, since it uses less digits than its factorization.

210112100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4377335430 (or 4377335424 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 210112100112 its reverse (211001211012), we get a palindrome (421113311124).

The spelling of 210112100112 in words is "two hundred ten billion, one hundred twelve million, one hundred thousand, one hundred twelve".