2111202112110 has 144 divisors (see below), whose sum is σ = 6382403619696. Its totient is φ = 445440393216.

The previous prime is 2111202112079. The next prime is 2111202112181. The reversal of 2111202112110 is 112112021112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2111202112110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4000659 + ... + 4497518.

It is an arithmetic number, because the mean of its divisors is an integer number (44322247359).

Almost surely, 2^{2111202112110} is an apocalyptic number.

2111202112110 is an abundant number, since it is smaller than the sum of its proper divisors (4271201507586).

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

2111202112110 is a wasteful number, since it uses less digits than its factorization.

2111202112110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8498227 (or 8498207 counting only the distinct ones).

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

Adding to 2111202112110 its reverse (112112021112), we get a palindrome (2223314133222).

The spelling of 2111202112110 in words is "two trillion, one hundred eleven billion, two hundred two million, one hundred twelve thousand, one hundred ten".