21021132300994 has 16 divisors (see below), whose sum is σ = 36036416239488. Its totient is φ = 9009009340992.

The previous prime is 21021132300937. The next prime is 21021132301019. The reversal of 21021132300994 is 49900323112012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1118439 + ... + 6579754.

It is an arithmetic number, because the mean of its divisors is an integer number (2252276014968).

Almost surely, 2^{21021132300994} is an apocalyptic number.

21021132300994 is a deficient number, since it is larger than the sum of its proper divisors (15015283938494).

21021132300994 is a wasteful number, since it uses less digits than its factorization.

21021132300994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7893249.

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 21021132300994 in words is "twenty-one trillion, twenty-one billion, one hundred thirty-two million, three hundred thousand, nine hundred ninety-four".