13104332210421 has 28 divisors (see below), whose sum is σ = 19674315479148. Its totient is φ = 8724302671104.

The previous prime is 13104332210357. The next prime is 13104332210423. The reversal of 13104332210421 is 12401223340131.

13104332210421 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 433 + 221 + 0 + 4 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7661746496196 + 5442585714225 = 2767986^2 + 2332935^2 .

It is not a de Polignac number, because 13104332210421 - 2⁶ = 13104332210357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13104332210423) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 11727420 + ... + 12796133.

Almost surely, 2^{13104332210421} is an apocalyptic number.

It is an amenable number.

13104332210421 is a deficient number, since it is larger than the sum of its proper divisors (6569983268727).

13104332210421 is an frugal number, since it uses more digits than its factorization.

13104332210421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24524304 (or 24524289 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 13104332210421 its reverse (12401223340131), we get a palindrome (25505555550552).

The spelling of 13104332210421 in words is "thirteen trillion, one hundred four billion, three hundred thirty-two million, two hundred ten thousand, four hundred twenty-one".