121333313113 has 4 divisors (see below), whose sum is σ = 123042233088. Its totient is φ = 119624393140.

The previous prime is 121333313111. The next prime is 121333313149. The reversal of 121333313113 is 311313333121.

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 121333313113 - 2¹ = 121333313111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121333313111) 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, 854459881 + ... + 854460022.

It is an arithmetic number, because the mean of its divisors is an integer number (30760558272).

Almost surely, 2^121333313113 is an apocalyptic number.

It is an amenable number.

121333313113 is a deficient number, since it is larger than the sum of its proper divisors (1708919975).

121333313113 is an equidigital number, since it uses as much as digits as its factorization.

121333313113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708919974.

The product of its digits is 1458, while the sum is 25.

Adding to 121333313113 its reverse (311313333121), we get a palindrome (432646646234).

The spelling of 121333313113 in words is "one hundred twenty-one billion, three hundred thirty-three million, three hundred thirteen thousand, one hundred thirteen".