21223202333112 has 128 divisors (see below), whose sum is σ = 63490258944000. Its totient is φ = 6530005572480.

The previous prime is 21223202333093. The next prime is 21223202333149. The reversal of 21223202333112 is 21133320232212.

21223202333112 is a `hidden beast` number, since 2 + 1 + 2 + 2 + 320 + 2 + 3 + 331 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 102329437 + ... + 102536627.

It is an arithmetic number, because the mean of its divisors is an integer number (496017648000).

Almost surely, 2^{21223202333112} is an apocalyptic number.

It is an amenable number.

21223202333112 is an abundant number, since it is smaller than the sum of its proper divisors (42267056610888).

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

21223202333112 is a wasteful number, since it uses less digits than its factorization.

21223202333112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243698 (or 243688 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 21223202333112 its reverse (21133320232212), we get a palindrome (42356522565324).

The spelling of 21223202333112 in words is "twenty-one trillion, two hundred twenty-three billion, two hundred two million, three hundred thirty-three thousand, one hundred twelve".