121310220110013 has 48 divisors (see below), whose sum is σ = 206706321259776. Its totient is φ = 67724293201920.

The previous prime is 121310220109997. The next prime is 121310220110029. The reversal of 121310220110013 is 310011022013121.

121310220110013 is a `hidden beast` number, since 1 + 21 + 310 + 220 + 1 + 100 + 13 = 666.

It is an interprime number because it is at equal distance from previous prime (121310220109997) and next prime (121310220110029).

It is not a de Polignac number, because 121310220110013 - 2⁴ = 121310220109997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121310220110083) 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, 766726756 + ... + 766884957.

It is an arithmetic number, because the mean of its divisors is an integer number (4306381692912).

Almost surely, 2^{121310220110013} is an apocalyptic number.

It is an amenable number.

121310220110013 is a deficient number, since it is larger than the sum of its proper divisors (85396101149763).

121310220110013 is a wasteful number, since it uses less digits than its factorization.

121310220110013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533611794 (or 1533611791 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 121310220110013 its reverse (310011022013121), we get a palindrome (431321242123134).

The spelling of 121310220110013 in words is "one hundred twenty-one trillion, three hundred ten billion, two hundred twenty million, one hundred ten thousand, thirteen".