123302102002221 has 16 divisors (see below), whose sum is σ = 165127398045120. Its totient is φ = 81839659749120.

The previous prime is 123302102002213. The next prime is 123302102002267. The reversal of 123302102002221 is 122200201203321.

It is not a de Polignac number, because 123302102002221 - 2³ = 123302102002213 is a prime.

It is a super-2 number, since 2×123302102002221² (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 (123302102002201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68625195 + ... + 70399016.

It is an arithmetic number, because the mean of its divisors is an integer number (10320462377820).

Almost surely, 2^{123302102002221} is an apocalyptic number.

It is an amenable number.

123302102002221 is a deficient number, since it is larger than the sum of its proper divisors (41825296042899).

123302102002221 is a wasteful number, since it uses less digits than its factorization.

123302102002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139025516.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 123302102002221 its reverse (122200201203321), we get a palindrome (245502303205542).

The spelling of 123302102002221 in words is "one hundred twenty-three trillion, three hundred two billion, one hundred two million, two thousand, two hundred twenty-one".