123011322102102 has 16 divisors (see below), whose sum is σ = 281168736233472. Its totient is φ = 35146092029160.

The previous prime is 123011322102079. The next prime is 123011322102113. The reversal of 123011322102102 is 201201223110321.

It is a super-2 number, since 2×123011322102102² (a number of 29 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1464420501174 + ... + 1464420501257.

It is an arithmetic number, because the mean of its divisors is an integer number (17573046014592).

Almost surely, 2^{123011322102102} is an apocalyptic number.

123011322102102 is an abundant number, since it is smaller than the sum of its proper divisors (158157414131370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123011322102102 is a wasteful number, since it uses less digits than its factorization.

123011322102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2928841002443.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 123011322102102 its reverse (201201223110321), we get a palindrome (324212545212423).

The spelling of 123011322102102 in words is "one hundred twenty-three trillion, eleven billion, three hundred twenty-two million, one hundred two thousand, one hundred two".