22102122111020 has 72 divisors (see below), whose sum is σ = 56348939796576. Its totient is φ = 7132113340416.

The previous prime is 22102122110987. The next prime is 22102122111049. The reversal of 22102122111020 is 2011122120122.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 22102122111020.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 273095009 + ... + 273175928.

Almost surely, 2^{22102122111020} is an apocalyptic number.

22102122111020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22102122111020 is an abundant number, since it is smaller than the sum of its proper divisors (34246817685556).

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

22102122111020 is a wasteful number, since it uses less digits than its factorization.

22102122111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546270987 (or 546270968 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22102122111020 its reverse (2011122120122), we get a palindrome (24113244231142).

The spelling of 22102122111020 in words is "twenty-two trillion, one hundred two billion, one hundred twenty-two million, one hundred eleven thousand, twenty".