21302320133001 has 16 divisors (see below), whose sum is σ = 29171228454144. Its totient is φ = 13817492014464.

The previous prime is 21302320132999. The next prime is 21302320133009. The reversal of 21302320133001 is 10033102320312.

It is not a de Polignac number, because 21302320133001 - 2¹ = 21302320132999 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21302320133009) 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, 5264461 + ... + 8385653.

It is an arithmetic number, because the mean of its divisors is an integer number (1823201778384).

Almost surely, 2^{21302320133001} is an apocalyptic number.

It is an amenable number.

21302320133001 is a deficient number, since it is larger than the sum of its proper divisors (7868908321143).

21302320133001 is a wasteful number, since it uses less digits than its factorization.

21302320133001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3182720.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 21302320133001 its reverse (10033102320312), we get a palindrome (31335422453313).

The spelling of 21302320133001 in words is "twenty-one trillion, three hundred two billion, three hundred twenty million, one hundred thirty-three thousand, one".