21331169520002 has 8 divisors (see below), whose sum is σ = 32295789367056. Its totient is φ = 10565906397652.

The previous prime is 21331169519969. The next prime is 21331169520013. The reversal of 21331169520002 is 20002596113312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49839180908 + ... + 49839181335.

It is an arithmetic number, because the mean of its divisors is an integer number (4036973670882).

Almost surely, 2^{21331169520002} is an apocalyptic number.

21331169520002 is a deficient number, since it is larger than the sum of its proper divisors (10964619847054).

21331169520002 is a wasteful number, since it uses less digits than its factorization.

21331169520002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99678362352.

The product of its (nonzero) digits is 19440, while the sum is 35.

The spelling of 21331169520002 in words is "twenty-one trillion, three hundred thirty-one billion, one hundred sixty-nine million, five hundred twenty thousand, two".