21331121013704 has 32 divisors (see below), whose sum is σ = 40131444349920. Its totient is φ = 10629411722496.

The previous prime is 21331121013703. The next prime is 21331121013731. The reversal of 21331121013704 is 40731012113312.

It is not an unprimeable number, because it can be changed into a prime (21331121013703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18101792 + ... + 19244144.

It is an arithmetic number, because the mean of its divisors is an integer number (1254107635935).

Almost surely, 2^{21331121013704} is an apocalyptic number.

It is an amenable number.

21331121013704 is a deficient number, since it is larger than the sum of its proper divisors (18800323336216).

21331121013704 is a wasteful number, since it uses less digits than its factorization.

21331121013704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150269 (or 1150265 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The spelling of 21331121013704 in words is "twenty-one trillion, three hundred thirty-one billion, one hundred twenty-one million, thirteen thousand, seven hundred four".