21332001022990 has 32 divisors (see below), whose sum is σ = 44537943297024. Its totient is φ = 7204667294880.

The previous prime is 21332001022987. The next prime is 21332001023009. The reversal of 21332001022990 is 9922010023312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2274195846 + ... + 2274205225.

It is an arithmetic number, because the mean of its divisors is an integer number (1391810728032).

Almost surely, 2^{21332001022990} is an apocalyptic number.

21332001022990 is an abundant number, since it is smaller than the sum of its proper divisors (23205942274034).

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

21332001022990 is a wasteful number, since it uses less digits than its factorization.

21332001022990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4548401152.

The product of its (nonzero) digits is 11664, while the sum is 34.

The spelling of 21332001022990 in words is "twenty-one trillion, three hundred thirty-two billion, one million, twenty-two thousand, nine hundred ninety".