123331103030121 has 128 divisors (see below), whose sum is σ = 204524971622400. Its totient is φ = 65968621992000.

The previous prime is 123331103030077. The next prime is 123331103030123. The reversal of 123331103030121 is 121030301133321.

It is not a de Polignac number, because 123331103030121 - 2³⁹ = 122781347216233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123331103030091 and 123331103030100.

It is not an unprimeable number, because it can be changed into a prime (123331103030123) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 140844196 + ... + 141717146.

It is an arithmetic number, because the mean of its divisors is an integer number (1597851340800).

Almost surely, 2^{123331103030121} is an apocalyptic number.

It is an amenable number.

123331103030121 is a deficient number, since it is larger than the sum of its proper divisors (81193868592279).

123331103030121 is a wasteful number, since it uses less digits than its factorization.

123331103030121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873152 (or 873138 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 123331103030121 its reverse (121030301133321), we get a palindrome (244361404163442).

The spelling of 123331103030121 in words is "one hundred twenty-three trillion, three hundred thirty-one billion, one hundred three million, thirty thousand, one hundred twenty-one".