13322032121021 has 16 divisors (see below), whose sum is σ = 14425070592240. Its totient is φ = 12230307348480.

The previous prime is 13322032121011. The next prime is 13322032121081. The reversal of 13322032121021 is 12012123022331.

It can be written as a sum of positive squares in 8 ways, for example, as 295924032121 + 13026108088900 = 543989^2 + 3609170^2 .

It is not a de Polignac number, because 13322032121021 - 2³⁸ = 13047154214077 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 (13322032121011) 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, 355460 + ... + 5174013.

It is an arithmetic number, because the mean of its divisors is an integer number (901566912015).

Almost surely, 2^{13322032121021} is an apocalyptic number.

It is an amenable number.

13322032121021 is a deficient number, since it is larger than the sum of its proper divisors (1103038471219).

13322032121021 is a wasteful number, since it uses less digits than its factorization.

13322032121021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5530496.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13322032121021 its reverse (12012123022331), we get a palindrome (25334155143352).

The spelling of 13322032121021 in words is "thirteen trillion, three hundred twenty-two billion, thirty-two million, one hundred twenty-one thousand, twenty-one".