121112122313 has 48 divisors (see below), whose sum is σ = 167049544320. Its totient is φ = 85441195008.

The previous prime is 121112122301. The next prime is 121112122319. The reversal of 121112122313 is 313221211121.

It is not a de Polignac number, because 121112122313 - 2⁴ = 121112122297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121112122319) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 223631 + ... + 540587.

It is an arithmetic number, because the mean of its divisors is an integer number (3480198840).

Almost surely, 2^121112122313 is an apocalyptic number.

121112122313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121112122313 is a deficient number, since it is larger than the sum of its proper divisors (45937422007).

121112122313 is a wasteful number, since it uses less digits than its factorization.

121112122313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317026 (or 317013 counting only the distinct ones).

The product of its digits is 144, while the sum is 20.

Adding to 121112122313 its reverse (313221211121), we get a palindrome (434333333434).

The spelling of 121112122313 in words is "one hundred twenty-one billion, one hundred twelve million, one hundred twenty-two thousand, three hundred thirteen".