22120111202022 has 24 divisors (see below), whose sum is σ = 48420999439176. Its totient is φ = 7297356272256.

The previous prime is 22120111202017. The next prime is 22120111202027. The reversal of 22120111202022 is 22020211102122.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22120111202017) and next prime (22120111202027).

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 = 22120111201986 and 22120111202004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120111202027) 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, 6334508908 + ... + 6334512399.

It is an arithmetic number, because the mean of its divisors is an integer number (2017541643299).

Almost surely, 2^{22120111202022} is an apocalyptic number.

22120111202022 is an abundant number, since it is smaller than the sum of its proper divisors (26300888237154).

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

22120111202022 is a wasteful number, since it uses less digits than its factorization.

22120111202022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12669021412 (or 12669021409 counting only the distinct ones).

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

Adding to 22120111202022 its reverse (22020211102122), we get a palindrome (44140322304144).

The spelling of 22120111202022 in words is "twenty-two trillion, one hundred twenty billion, one hundred eleven million, two hundred two thousand, twenty-two".