22100231112021 has 8 divisors (see below), whose sum is σ = 32741083128960. Its totient is φ = 14733487407996.

The previous prime is 22100231112019. The next prime is 22100231112067. The reversal of 22100231112021 is 12021113200122.

22100231112021 is a `hidden beast` number, since 2 + 210 + 0 + 2 + 311 + 120 + 21 = 666.

It is not a de Polignac number, because 22100231112021 - 2¹ = 22100231112019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22100231111985 and 22100231112003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100231114021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409263539085 + ... + 409263539138.

It is an arithmetic number, because the mean of its divisors is an integer number (4092635391120).

Almost surely, 2^{22100231112021} is an apocalyptic number.

It is an amenable number.

22100231112021 is a deficient number, since it is larger than the sum of its proper divisors (10640852016939).

22100231112021 is an equidigital number, since it uses as much as digits as its factorization.

22100231112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818527078232 (or 818527078226 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 22100231112021 its reverse (12021113200122), we get a palindrome (34121344312143).

The spelling of 22100231112021 in words is "twenty-two trillion, one hundred billion, two hundred thirty-one million, one hundred twelve thousand, twenty-one".