121313110011 has 32 divisors (see below), whose sum is σ = 168775799808. Its totient is φ = 77435170560.

The previous prime is 121313110007. The next prime is 121313110027. The reversal of 121313110011 is 110011313121.

It is not a de Polignac number, because 121313110011 - 2² = 121313110007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121313110091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7674526 + ... + 7690316.

It is an arithmetic number, because the mean of its divisors is an integer number (5274243744).

Almost surely, 2^121313110011 is an apocalyptic number.

121313110011 is a deficient number, since it is larger than the sum of its proper divisors (47462689797).

121313110011 is a wasteful number, since it uses less digits than its factorization.

121313110011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16931.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 121313110011 its reverse (110011313121), we get a palindrome (231324423132).

The spelling of 121313110011 in words is "one hundred twenty-one billion, three hundred thirteen million, one hundred ten thousand, eleven".