123101033231111 has 16 divisors (see below), whose sum is σ = 133147733577600. Its totient is φ = 113136979350528.

The previous prime is 123101033231107. The next prime is 123101033231131. The reversal of 123101033231111 is 111132330101321.

It is a cyclic number.

It is not a de Polignac number, because 123101033231111 - 2² = 123101033231107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123101033231131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14859575 + ... + 21610391.

It is an arithmetic number, because the mean of its divisors is an integer number (8321733348600).

Almost surely, 2^{123101033231111} is an apocalyptic number.

123101033231111 is a deficient number, since it is larger than the sum of its proper divisors (10046700346489).

123101033231111 is a wasteful number, since it uses less digits than its factorization.

123101033231111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6756938.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 123101033231111 its reverse (111132330101321), we get a palindrome (234233363332432).

The spelling of 123101033231111 in words is "one hundred twenty-three trillion, one hundred one billion, thirty-three million, two hundred thirty-one thousand, one hundred eleven".