123002220032101 has 4 divisors (see below), whose sum is σ = 123827738287500. Its totient is φ = 122176701776704.

The previous prime is 123002220032053. The next prime is 123002220032161. The reversal of 123002220032101 is 101230022200321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10347898744225 + 112654321287876 = 3216815^2 + 10613874^2 .

It is a cyclic number.

It is not a de Polignac number, because 123002220032101 - 2³³ = 122993630097509 is a prime.

It is a super-2 number, since 2×123002220032101² (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 (123002220032161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412759127476 + ... + 412759127773.

It is an arithmetic number, because the mean of its divisors is an integer number (30956934571875).

Almost surely, 2^{123002220032101} is an apocalyptic number.

It is an amenable number.

123002220032101 is a deficient number, since it is larger than the sum of its proper divisors (825518255399).

123002220032101 is an equidigital number, since it uses as much as digits as its factorization.

123002220032101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825518255398.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 123002220032101 its reverse (101230022200321), we get a palindrome (224232242232422).

The spelling of 123002220032101 in words is "one hundred twenty-three trillion, two billion, two hundred twenty million, thirty-two thousand, one hundred one".