22121012022102 has 96 divisors (see below), whose sum is σ = 54930968801280. Its totient is φ = 6302396056320.

The previous prime is 22121012022089. The next prime is 22121012022139. The reversal of 22121012022102 is 20122021012122.

It is a happy number.

22121012022102 is a `hidden beast` number, since 221 + 210 + 1 + 20 + 2 + 210 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 263607883 + ... + 263691785.

It is an arithmetic number, because the mean of its divisors is an integer number (572197591680).

Almost surely, 2^{22121012022102} is an apocalyptic number.

22121012022102 is an abundant number, since it is smaller than the sum of its proper divisors (32809956779178).

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

22121012022102 is a wasteful number, since it uses less digits than its factorization.

22121012022102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89818 (or 89815 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22121012022102 its reverse (20122021012122), we get a palindrome (42243033034224).

The spelling of 22121012022102 in words is "twenty-two trillion, one hundred twenty-one billion, twelve million, twenty-two thousand, one hundred two".