22100504121 has 12 divisors (see below), whose sum is σ = 33023742180. Its totient is φ = 14225611680.

The previous prime is 22100504089. The next prime is 22100504141. The reversal of 22100504121 is 12140500122.

It can be written as a sum of positive squares in 2 ways, for example, as 4467585600 + 17632918521 = 66840^2 + 132789^2 .

It is not a de Polignac number, because 22100504121 - 2⁵ = 22100504089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22100504094 and 22100504103.

It is not an unprimeable number, because it can be changed into a prime (22100504141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42337870 + ... + 42338391.

It is an arithmetic number, because the mean of its divisors is an integer number (2751978515).

Almost surely, 2^22100504121 is an apocalyptic number.

It is an amenable number.

22100504121 is a deficient number, since it is larger than the sum of its proper divisors (10923238059).

22100504121 is a wasteful number, since it uses less digits than its factorization.

22100504121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84676296 (or 84676293 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The spelling of 22100504121 in words is "twenty-two billion, one hundred million, five hundred four thousand, one hundred twenty-one".