210112112021112 has 64 divisors (see below), whose sum is σ = 667022577849600. Its totient is φ = 60032032005600.

The previous prime is 210112112021099. The next prime is 210112112021171. The reversal of 210112112021112 is 211120211211012.

It is a happy number.

210112112021112 is a `hidden beast` number, since 210 + 1 + 1 + 211 + 20 + 211 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69481517014 + ... + 69481520037.

It is an arithmetic number, because the mean of its divisors is an integer number (10422227778900).

Almost surely, 2^{210112112021112} is an apocalyptic number.

It is an amenable number.

210112112021112 is an abundant number, since it is smaller than the sum of its proper divisors (456910465828488).

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

210112112021112 is a wasteful number, since it uses less digits than its factorization.

210112112021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138963037073 (or 138963037063 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 210112112021112 its reverse (211120211211012), we get a palindrome (421232323232124).

The spelling of 210112112021112 in words is "two hundred ten trillion, one hundred twelve billion, one hundred twelve million, twenty-one thousand, one hundred twelve".