123221103331120 has 40 divisors (see below), whose sum is σ = 286499118213216. Its totient is φ = 49286711789568.

The previous prime is 123221103331111. The next prime is 123221103331121. The reversal of 123221103331120 is 21133301122321.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×123221103331120² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123221103331121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24728812 + ... + 29290891.

Almost surely, 2^{123221103331120} is an apocalyptic number.

123221103331120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123221103331120 is an abundant number, since it is smaller than the sum of its proper divisors (163278014882096).

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

123221103331120 is a wasteful number, since it uses less digits than its factorization.

123221103331120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54048229 (or 54048223 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 123221103331120 its reverse (21133301122321), we get a palindrome (144354404453441).

The spelling of 123221103331120 in words is "one hundred twenty-three trillion, two hundred twenty-one billion, one hundred three million, three hundred thirty-one thousand, one hundred twenty".