123021303121102 has 32 divisors (see below), whose sum is σ = 185476603910400. Its totient is φ = 61196626612800.

The previous prime is 123021303121063. The next prime is 123021303121111. The reversal of 123021303121102 is 201121303120321.

It is a super-2 number, since 2×123021303121102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1840473202 + ... + 1840540042.

It is an arithmetic number, because the mean of its divisors is an integer number (5796143872200).

Almost surely, 2^{123021303121102} is an apocalyptic number.

123021303121102 is a deficient number, since it is larger than the sum of its proper divisors (62455300789298).

123021303121102 is a wasteful number, since it uses less digits than its factorization.

123021303121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73192.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 123021303121102 its reverse (201121303120321), we get a palindrome (324142606241423).

The spelling of 123021303121102 in words is "one hundred twenty-three trillion, twenty-one billion, three hundred three million, one hundred twenty-one thousand, one hundred two".