13321133031121 has 4 divisors (see below), whose sum is σ = 13321140360192. Its totient is φ = 13321125702052.

The previous prime is 13321133031109. The next prime is 13321133031223. The reversal of 13321133031121 is 12113033112331.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13321133031121 - 2⁷ = 13321133030993 is a prime.

It is a super-2 number, since 2×13321133031121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13321133031421) 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, 1340040 + ... + 5332726.

It is an arithmetic number, because the mean of its divisors is an integer number (3330285090048).

Almost surely, 2^{13321133031121} is an apocalyptic number.

It is an amenable number.

13321133031121 is a deficient number, since it is larger than the sum of its proper divisors (7329071).

13321133031121 is an equidigital number, since it uses as much as digits as its factorization.

13321133031121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7329070.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 13321133031121 its reverse (12113033112331), we get a palindrome (25434166143452).

The spelling of 13321133031121 in words is "thirteen trillion, three hundred twenty-one billion, one hundred thirty-three million, thirty-one thousand, one hundred twenty-one".