21132320223201 has 32 divisors (see below), whose sum is σ = 31230656234496. Its totient is φ = 12603745560000.

The previous prime is 21132320223193. The next prime is 21132320223233. The reversal of 21132320223201 is 10232202323112.

It is not a de Polignac number, because 21132320223201 - 2³ = 21132320223193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21132320223271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19284030 + ... + 20350391.

It is an arithmetic number, because the mean of its divisors is an integer number (975958007328).

Almost surely, 2^{21132320223201} is an apocalyptic number.

It is an amenable number.

21132320223201 is a deficient number, since it is larger than the sum of its proper divisors (10098336011295).

21132320223201 is a wasteful number, since it uses less digits than its factorization.

21132320223201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39634693.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 21132320223201 its reverse (10232202323112), we get a palindrome (31364522546313).

The spelling of 21132320223201 in words is "twenty-one trillion, one hundred thirty-two billion, three hundred twenty million, two hundred twenty-three thousand, two hundred one".