21113100032999 has 16 divisors (see below), whose sum is σ = 22779995212800. Its totient is φ = 19452347301216.

The previous prime is 21113100032989. The next prime is 21113100033041. The reversal of 21113100032999 is 99923000131112.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21113100032999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21113100032989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18504632 + ... + 19612434.

It is an arithmetic number, because the mean of its divisors is an integer number (1423749700800).

Almost surely, 2^{21113100032999} is an apocalyptic number.

21113100032999 is a deficient number, since it is larger than the sum of its proper divisors (1666895179801).

21113100032999 is a wasteful number, since it uses less digits than its factorization.

21113100032999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110574.

The product of its (nonzero) digits is 26244, while the sum is 41.

The spelling of 21113100032999 in words is "twenty-one trillion, one hundred thirteen billion, one hundred million, thirty-two thousand, nine hundred ninety-nine".