123201132211101 has 32 divisors (see below), whose sum is σ = 190963210014720. Its totient is φ = 69190667717184.

The previous prime is 123201132211081. The next prime is 123201132211103. The reversal of 123201132211101 is 101112231102321.

It is not a de Polignac number, because 123201132211101 - 2²⁶ = 123201065102237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123201132211103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6908725 + ... + 17150298.

It is an arithmetic number, because the mean of its divisors is an integer number (5967600312960).

Almost surely, 2^{123201132211101} is an apocalyptic number.

It is an amenable number.

123201132211101 is a deficient number, since it is larger than the sum of its proper divisors (67762077803619).

123201132211101 is a wasteful number, since it uses less digits than its factorization.

123201132211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24063225.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 123201132211101 its reverse (101112231102321), we get a palindrome (224313363313422).

The spelling of 123201132211101 in words is "one hundred twenty-three trillion, two hundred one billion, one hundred thirty-two million, two hundred eleven thousand, one hundred one".