123210020111311 has 8 divisors (see below), whose sum is σ = 140812882496640. Its totient is φ = 105607515461208.

The previous prime is 123210020111303. The next prime is 123210020111383. The reversal of 123210020111311 is 113111020012321.

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 123210020111311 - 2³ = 123210020111303 is a prime.

It is a super-2 number, since 2×123210020111311² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123210020115311) 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, 88695361 + ... + 90073786.

It is an arithmetic number, because the mean of its divisors is an integer number (17601610312080).

Almost surely, 2^{123210020111311} is an apocalyptic number.

123210020111311 is a deficient number, since it is larger than the sum of its proper divisors (17602862385329).

123210020111311 is an equidigital number, since it uses as much as digits as its factorization.

123210020111311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178867613.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 123210020111311 its reverse (113111020012321), we get a palindrome (236321040123632).

The spelling of 123210020111311 in words is "one hundred twenty-three trillion, two hundred ten billion, twenty million, one hundred eleven thousand, three hundred eleven".