121113313012331 has 4 divisors (see below), whose sum is σ = 121113461592600. Its totient is φ = 121113164432064.

The previous prime is 121113313012301. The next prime is 121113313012339. The reversal of 121113313012331 is 133210313311121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121113313012331 - 2²⁶ = 121113245903467 is a prime.

It is a super-2 number, since 2×121113313012331² (a number of 29 digits) contains 22 as substring.

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 121113313012331.

It is not an unprimeable number, because it can be changed into a prime (121113313012339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73060646 + ... + 74699963.

It is an arithmetic number, because the mean of its divisors is an integer number (30278365398150).

Almost surely, 2^{121113313012331} is an apocalyptic number.

121113313012331 is a deficient number, since it is larger than the sum of its proper divisors (148580269).

121113313012331 is an equidigital number, since it uses as much as digits as its factorization.

121113313012331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148580268.

The product of its (nonzero) digits is 972, while the sum is 26.

Adding to 121113313012331 its reverse (133210313311121), we get a palindrome (254323626323452).

The spelling of 121113313012331 in words is "one hundred twenty-one trillion, one hundred thirteen billion, three hundred thirteen million, twelve thousand, three hundred thirty-one".