22010121022100 has 72 divisors (see below), whose sum is σ = 51400530889848. Its totient is φ = 8150324428800.

The previous prime is 22010121022033. The next prime is 22010121022157. The reversal of 22010121022100 is 122012101022.

It can be written as a sum of positive squares in 12 ways, for example, as 2581896221584 + 19428224800516 = 1606828^2 + 4407746^2 .

It is a congruent number.

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, 106020317 + ... + 106227716.

It is an arithmetic number, because the mean of its divisors is an integer number (713896262359).

Almost surely, 2^{22010121022100} is an apocalyptic number.

22010121022100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22010121022100 is an abundant number, since it is smaller than the sum of its proper divisors (29390409867748).

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

22010121022100 is a wasteful number, since it uses less digits than its factorization.

22010121022100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212248125 (or 212248118 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22010121022100 its reverse (122012101022), we get a palindrome (22132133123122).

The spelling of 22010121022100 in words is "twenty-two trillion, ten billion, one hundred twenty-one million, twenty-two thousand, one hundred".