22012211121102 has 24 divisors (see below), whose sum is σ = 48592994363784. Its totient is φ = 7198962127344.

The previous prime is 22012211120989. The next prime is 22012211121107. The reversal of 22012211121102 is 20112111221022.

22012211121102 is a `hidden beast` number, since 220 + 1 + 221 + 1 + 121 + 102 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012211121107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11536797328 + ... + 11536799235.

It is an arithmetic number, because the mean of its divisors is an integer number (2024708098491).

Almost surely, 2^{22012211121102} is an apocalyptic number.

22012211121102 is an abundant number, since it is smaller than the sum of its proper divisors (26580783242682).

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

22012211121102 is a wasteful number, since it uses less digits than its factorization.

22012211121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23073596624 (or 23073596621 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22012211121102 its reverse (20112111221022), we get a palindrome (42124322342124).

The spelling of 22012211121102 in words is "twenty-two trillion, twelve billion, two hundred eleven million, one hundred twenty-one thousand, one hundred two".