121131323131121 has 16 divisors (see below), whose sum is σ = 123690337848000. Its totient is φ = 118596672085248.

The previous prime is 121131323131081. The next prime is 121131323131151.

121131323131121 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 121131323131121 - 2³⁰ = 121130249389297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121131323131151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415685930 + ... + 415977228.

It is an arithmetic number, because the mean of its divisors is an integer number (7730646115500).

Almost surely, 2^{121131323131121} is an apocalyptic number.

It is an amenable number.

121131323131121 is a deficient number, since it is larger than the sum of its proper divisors (2559014716879).

121131323131121 is a wasteful number, since it uses less digits than its factorization.

121131323131121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333088.

The product of its digits is 648, while the sum is 26.

The spelling of 121131323131121 in words is "one hundred twenty-one trillion, one hundred thirty-one billion, three hundred twenty-three million, one hundred thirty-one thousand, one hundred twenty-one".