13330121134321 has 4 divisors (see below), whose sum is σ = 14031706457200. Its totient is φ = 12628535811444.

The previous prime is 13330121134241. The next prime is 13330121134331. The reversal of 13330121134321 is 12343112103331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13330121134321 - 2²⁷ = 13329986916593 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13330121134321.

It is not an unprimeable number, because it can be changed into a prime (13330121134331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350792661411 + ... + 350792661448.

It is an arithmetic number, because the mean of its divisors is an integer number (3507926614300).

Almost surely, 2^{13330121134321} is an apocalyptic number.

It is an amenable number.

13330121134321 is a deficient number, since it is larger than the sum of its proper divisors (701585322879).

13330121134321 is an equidigital number, since it uses as much as digits as its factorization.

13330121134321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701585322878.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 13330121134321 its reverse (12343112103331), we get a palindrome (25673233237652).

The spelling of 13330121134321 in words is "thirteen trillion, three hundred thirty billion, one hundred twenty-one million, one hundred thirty-four thousand, three hundred twenty-one".