22120121012022 has 64 divisors (see below), whose sum is σ = 55473657753600. Its totient is φ = 6471926727840.

The previous prime is 22120121011991. The next prime is 22120121012047. The reversal of 22120121012022 is 22021012102122.

It is a happy number.

22120121012022 is a `hidden beast` number, since 221 + 201 + 210 + 12 + 0 + 22 = 666.

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 = 22120121011986 and 22120121012004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 642038998 + ... + 642073449.

It is an arithmetic number, because the mean of its divisors is an integer number (866775902400).

Almost surely, 2^{22120121012022} is an apocalyptic number.

22120121012022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22120121012022 is an abundant number, since it is smaller than the sum of its proper divisors (33353536741578).

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

22120121012022 is a wasteful number, since it uses less digits than its factorization.

22120121012022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284112498 (or 1284112492 counting only the distinct ones).

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

Adding to 22120121012022 its reverse (22021012102122), we get a palindrome (44141133114144).

The spelling of 22120121012022 in words is "twenty-two trillion, one hundred twenty billion, one hundred twenty-one million, twelve thousand, twenty-two".