21133222303332 has 24 divisors (see below), whose sum is σ = 50457616043296. Its totient is φ = 6880584005568.

The previous prime is 21133222303307. The next prime is 21133222303367. The reversal of 21133222303332 is 23330322233112.

It is a super-2 number, since 2×21133222303332² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21133222303332.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20477928073 + ... + 20477929104.

Almost surely, 2^{21133222303332} is an apocalyptic number.

It is an amenable number.

21133222303332 is an abundant number, since it is smaller than the sum of its proper divisors (29324393739964).

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

21133222303332 is a wasteful number, since it uses less digits than its factorization.

21133222303332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40955857227 (or 40955857225 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 30.

Adding to 21133222303332 its reverse (23330322233112), we get a palindrome (44463544536444).

The spelling of 21133222303332 in words is "twenty-one trillion, one hundred thirty-three billion, two hundred twenty-two million, three hundred three thousand, three hundred thirty-two".