123101122104 has 48 divisors (see below), whose sum is σ = 335444296200. Its totient is φ = 40781962944.

The previous prime is 123101122063. The next prime is 123101122141. The reversal of 123101122104 is 401221101321.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5232859 + ... + 5256330.

Almost surely, 2^123101122104 is an apocalyptic number.

It is an amenable number.

123101122104 is an abundant number, since it is smaller than the sum of its proper divisors (212343174096).

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

123101122104 is a wasteful number, since it uses less digits than its factorization.

123101122104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10489364 (or 10489357 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 123101122104 its reverse (401221101321), we get a palindrome (524322223425).

The spelling of 123101122104 in words is "one hundred twenty-three billion, one hundred one million, one hundred twenty-two thousand, one hundred four".