2100112112112 has 80 divisors (see below), whose sum is σ = 6215793568512. Its totient is φ = 598535654400.

The previous prime is 2100112112029. The next prime is 2100112112167. The reversal of 2100112112112 is 2112112110012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2100112112091 and 2100112112100.

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, 7658698 + ... + 7928169.

Almost surely, 2^{2100112112112} is an apocalyptic number.

It is an amenable number.

2100112112112 is an abundant number, since it is smaller than the sum of its proper divisors (4115681456400).

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

2100112112112 is a wasteful number, since it uses less digits than its factorization.

2100112112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15587286 (or 15587280 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2100112112112 its reverse (2112112110012), we get a palindrome (4212224222124).

The spelling of 2100112112112 in words is "two trillion, one hundred billion, one hundred twelve million, one hundred twelve thousand, one hundred twelve".