21222301312332 has 24 divisors (see below), whose sum is σ = 55020781180400. Its totient is φ = 7074100437408.

The previous prime is 21222301312319. The next prime is 21222301312349. The reversal of 21222301312332 is 23321310322212.

21222301312332 is a `hidden beast` number, since 2 + 1 + 2 + 22 + 301 + 3 + 1 + 2 + 332 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 21222301312296 and 21222301312305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98251394857 + ... + 98251395072.

Almost surely, 2^{21222301312332} is an apocalyptic number.

It is an amenable number.

21222301312332 is an abundant number, since it is smaller than the sum of its proper divisors (33798479868068).

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

21222301312332 is a wasteful number, since it uses less digits than its factorization.

21222301312332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196502789942 (or 196502789934 counting only the distinct ones).

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

Adding to 21222301312332 its reverse (23321310322212), we get a palindrome (44543611634544).

The spelling of 21222301312332 in words is "twenty-one trillion, two hundred twenty-two billion, three hundred one million, three hundred twelve thousand, three hundred thirty-two".