123100132220011 has 16 divisors (see below), whose sum is σ = 130086706320000. Its totient is φ = 116164343973888.

The previous prime is 123100132219991. The next prime is 123100132220033. The reversal of 123100132220011 is 110022231001321.

It is a cyclic number.

It is not a de Polignac number, because 123100132220011 - 2⁵ = 123100132219979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123100132220041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197445376 + ... + 198067858.

It is an arithmetic number, because the mean of its divisors is an integer number (8130419145000).

Almost surely, 2^{123100132220011} is an apocalyptic number.

123100132220011 is a deficient number, since it is larger than the sum of its proper divisors (6986574099989).

123100132220011 is a wasteful number, since it uses less digits than its factorization.

123100132220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663258.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 123100132220011 its reverse (110022231001321), we get a palindrome (233122363221332).

The spelling of 123100132220011 in words is "one hundred twenty-three trillion, one hundred billion, one hundred thirty-two million, two hundred twenty thousand, eleven".