2100022111122 has 48 divisors (see below), whose sum is σ = 4567496607648. Its totient is φ = 643387355520.

The previous prime is 2100022111093. The next prime is 2100022111147. The reversal of 2100022111122 is 2211112200012.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4208004 + ... + 4680527.

It is an arithmetic number, because the mean of its divisors is an integer number (95156179326).

Almost surely, 2^{2100022111122} is an apocalyptic number.

2100022111122 is an abundant number, since it is smaller than the sum of its proper divisors (2467474496526).

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

2100022111122 is a wasteful number, since it uses less digits than its factorization.

2100022111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8888795 (or 8888782 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2100022111122 its reverse (2211112200012), we get a palindrome (4311134311134).

The spelling of 2100022111122 in words is "two trillion, one hundred billion, twenty-two million, one hundred eleven thousand, one hundred twenty-two".