21333622403120 has 80 divisors (see below), whose sum is σ = 49822644896640. Its totient is φ = 8495308004352.

The previous prime is 21333622403111. The next prime is 21333622403143. The reversal of 21333622403120 is 2130422633312.

It is a tau number, because it is divible by the number of its divisors (80).

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, 28183514 + ... + 28930566.

It is an arithmetic number, because the mean of its divisors is an integer number (622783061208).

Almost surely, 2^{21333622403120} is an apocalyptic number.

21333622403120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21333622403120 is an abundant number, since it is smaller than the sum of its proper divisors (28489022493520).

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

21333622403120 is a wasteful number, since it uses less digits than its factorization.

21333622403120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748662 (or 748656 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 32.

The spelling of 21333622403120 in words is "twenty-one trillion, three hundred thirty-three billion, six hundred twenty-two million, four hundred three thousand, one hundred twenty".