123131322010111 has 8 divisors (see below), whose sum is σ = 129612153715200. Its totient is φ = 116650513886040.

The previous prime is 123131322010097. The next prime is 123131322010127. The reversal of 123131322010111 is 111010223131321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123131322010111 - 2²⁷ = 123131187792383 is a prime.

It is a super-2 number, since 2×123131322010111² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123131322013111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5375346 + ... + 16587856.

It is an arithmetic number, because the mean of its divisors is an integer number (16201519214400).

Almost surely, 2^{123131322010111} is an apocalyptic number.

123131322010111 is a deficient number, since it is larger than the sum of its proper divisors (6480831705089).

123131322010111 is a wasteful number, since it uses less digits than its factorization.

123131322010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11790509.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 123131322010111 its reverse (111010223131321), we get a palindrome (234141545141432).

The spelling of 123131322010111 in words is "one hundred twenty-three trillion, one hundred thirty-one billion, three hundred twenty-two million, ten thousand, one hundred eleven".