13340332122021 has 24 divisors (see below), whose sum is σ = 19313560368960. Its totient is φ = 8873181922176.

The previous prime is 13340332121953. The next prime is 13340332122023. The reversal of 13340332122021 is 12022123304331.

13340332122021 is a `hidden beast` number, since 1 + 3 + 3 + 403 + 3 + 212 + 20 + 21 = 666.

It is not a de Polignac number, because 13340332122021 - 2²⁶ = 13340265013157 is a prime.

It is a super-2 number, since 2×13340332122021² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13340332122023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5884701 + ... + 7830093.

It is an arithmetic number, because the mean of its divisors is an integer number (804731682040).

Almost surely, 2^{13340332122021} is an apocalyptic number.

It is an amenable number.

13340332122021 is a deficient number, since it is larger than the sum of its proper divisors (5973228246939).

13340332122021 is a wasteful number, since it uses less digits than its factorization.

13340332122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1947145 (or 1947142 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 13340332122021 its reverse (12022123304331), we get a palindrome (25362455426352).

The spelling of 13340332122021 in words is "thirteen trillion, three hundred forty billion, three hundred thirty-two million, one hundred twenty-two thousand, twenty-one".