121013131310001 has 48 divisors (see below), whose sum is σ = 200815784505856. Its totient is φ = 68787611762688.

The previous prime is 121013131309921. The next prime is 121013131310021. The reversal of 121013131310001 is 100013131310121.

121013131310001 is a `hidden beast` number, since 1 + 210 + 13 + 131 + 310 + 0 + 0 + 1 = 666.

It is not a de Polignac number, because 121013131310001 - 2²⁶ = 121013064201137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121013131310021) 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, 192077361 + ... + 192706353.

Almost surely, 2^{121013131310001} is an apocalyptic number.

It is an amenable number.

121013131310001 is a deficient number, since it is larger than the sum of its proper divisors (79802653195855).

121013131310001 is a wasteful number, since it uses less digits than its factorization.

121013131310001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645022 (or 645019 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 121013131310001 its reverse (100013131310121), we get a palindrome (221026262620122).

The spelling of 121013131310001 in words is "one hundred twenty-one trillion, thirteen billion, one hundred thirty-one million, three hundred ten thousand, one".