22111100021022 has 64 divisors (see below), whose sum is σ = 44888437440000. Its totient is φ = 7259864678528.

The previous prime is 22111100020993. The next prime is 22111100021029. The reversal of 22111100021022 is 22012000111122.

It is a junction number, because it is equal to n+sod(n) for n = 22111100020992 and 22111100021010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111100021029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1313860504 + ... + 1313877332.

It is an arithmetic number, because the mean of its divisors is an integer number (701381835000).

Almost surely, 2^{22111100021022} is an apocalyptic number.

22111100021022 is an abundant number, since it is smaller than the sum of its proper divisors (22777337418978).

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

22111100021022 is a wasteful number, since it uses less digits than its factorization.

22111100021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24625.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22111100021022 its reverse (22012000111122), we get a palindrome (44123100132144).

The spelling of 22111100021022 in words is "twenty-two trillion, one hundred eleven billion, one hundred million, twenty-one thousand, twenty-two".