123310132211121 has 16 divisors (see below), whose sum is σ = 164541895689600. Its totient is φ = 82142564605568.

The previous prime is 123310132211117. The next prime is 123310132211131. The reversal of 123310132211121 is 121112231013321.

It is a cyclic number.

It is not a de Polignac number, because 123310132211121 - 2² = 123310132211117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123310132211091 and 123310132211100.

It is not an unprimeable number, because it can be changed into a prime (123310132211131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186396685 + ... + 187057061.

It is an arithmetic number, because the mean of its divisors is an integer number (10283868480600).

Almost surely, 2^{123310132211121} is an apocalyptic number.

It is an amenable number.

123310132211121 is a deficient number, since it is larger than the sum of its proper divisors (41231763478479).

123310132211121 is a wasteful number, since it uses less digits than its factorization.

123310132211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708888.

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 123310132211121 its reverse (121112231013321), we get a palindrome (244422363224442).

The spelling of 123310132211121 in words is "one hundred twenty-three trillion, three hundred ten billion, one hundred thirty-two million, two hundred eleven thousand, one hundred twenty-one".