121321141313 has 32 divisors (see below), whose sum is σ = 139260211200. Its totient is φ = 105096410496.

The previous prime is 121321141303. The next prime is 121321141387. The reversal of 121321141313 is 313141123121.

It is not a de Polignac number, because 121321141313 - 2⁴ = 121321141297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (121321141303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 814493 + ... + 951861.

It is an arithmetic number, because the mean of its divisors is an integer number (4351881600).

Almost surely, 2^121321141313 is an apocalyptic number.

It is an amenable number.

121321141313 is a deficient number, since it is larger than the sum of its proper divisors (17939069887).

121321141313 is a wasteful number, since it uses less digits than its factorization.

121321141313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137501.

The product of its digits is 432, while the sum is 23.

Adding to 121321141313 its reverse (313141123121), we get a palindrome (434462264434).

The spelling of 121321141313 in words is "one hundred twenty-one billion, three hundred twenty-one million, one hundred forty-one thousand, three hundred thirteen".