21100100133032 has 16 divisors (see below), whose sum is σ = 39562736472000. Its totient is φ = 10550037073840.

The previous prime is 21100100132987. The next prime is 21100100133067. The reversal of 21100100133032 is 23033100100112.

It is a self number, because there is not a number n which added to its sum of digits gives 21100100133032.

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, 12080219 + ... + 13716117.

It is an arithmetic number, because the mean of its divisors is an integer number (2472671029500).

Almost surely, 2^{21100100133032} is an apocalyptic number.

It is an amenable number.

21100100133032 is a deficient number, since it is larger than the sum of its proper divisors (18462636338968).

21100100133032 is a wasteful number, since it uses less digits than its factorization.

21100100133032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3248176 (or 3248172 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 21100100133032 its reverse (23033100100112), we get a palindrome (44133200233144).

The spelling of 21100100133032 in words is "twenty-one trillion, one hundred billion, one hundred million, one hundred thirty-three thousand, thirty-two".