22111012112022 has 96 divisors (see below), whose sum is σ = 51725813237280. Its totient is φ = 6811629027840.

The previous prime is 22111012112017. The next prime is 22111012112023. The reversal of 22111012112022 is 22021121011122.

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

It is a junction number, because it is equal to n+sod(n) for n = 22111012111986 and 22111012112004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111012112023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8612188 + ... + 10880799.

It is an arithmetic number, because the mean of its divisors is an integer number (538810554555).

Almost surely, 2^{22111012112022} is an apocalyptic number.

22111012112022 is an abundant number, since it is smaller than the sum of its proper divisors (29614801125258).

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

22111012112022 is a wasteful number, since it uses less digits than its factorization.

22111012112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19493118 (or 19493115 counting only the distinct ones).

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

Adding to 22111012112022 its reverse (22021121011122), we get a palindrome (44132133123144).

The spelling of 22111012112022 in words is "twenty-two trillion, one hundred eleven billion, twelve million, one hundred twelve thousand, twenty-two".