13321333113121 has 4 divisors (see below), whose sum is σ = 14532363396144. Its totient is φ = 12110302830100.

The previous prime is 13321333113091. The next prime is 13321333113169. The reversal of 13321333113121 is 12131133312331.

It is a happy number.

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 13321333113121 - 2⁹ = 13321333112609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13321333113121.

It is not an unprimeable number, because it can be changed into a prime (13321333113191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605515141495 + ... + 605515141516.

It is an arithmetic number, because the mean of its divisors is an integer number (3633090849036).

Almost surely, 2^{13321333113121} is an apocalyptic number.

13321333113121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13321333113121 is a deficient number, since it is larger than the sum of its proper divisors (1211030283023).

13321333113121 is a wasteful number, since it uses less digits than its factorization.

13321333113121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211030283022.

The product of its digits is 2916, while the sum is 28.

Adding to 13321333113121 its reverse (12131133312331), we get a palindrome (25452466425452).

The spelling of 13321333113121 in words is "thirteen trillion, three hundred twenty-one billion, three hundred thirty-three million, one hundred thirteen thousand, one hundred twenty-one".