22100113321020 has 72 divisors (see below), whose sum is σ = 76613726183904. Its totient is φ = 5051454473088.

The previous prime is 22100113320983. The next prime is 22100113321051. The reversal of 22100113321020 is 2012331100122.

22100113321020 is a `hidden beast` number, since 2 + 210 + 0 + 113 + 321 + 0 + 20 = 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 = 22100113320984 and 22100113321002.

It is a congruent number.

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, 8769884979 + ... + 8769887498.

It is an arithmetic number, because the mean of its divisors is an integer number (1064079530332).

Almost surely, 2^{22100113321020} is an apocalyptic number.

22100113321020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22100113321020 is an abundant number, since it is smaller than the sum of its proper divisors (54513612862884).

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

22100113321020 is a wasteful number, since it uses less digits than its factorization.

22100113321020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17539772499 (or 17539772494 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 22100113321020 its reverse (2012331100122), we get a palindrome (24112444421142).

The spelling of 22100113321020 in words is "twenty-two trillion, one hundred billion, one hundred thirteen million, three hundred twenty-one thousand, twenty".