1100120123104 has 24 divisors (see below), whose sum is σ = 2167240242888. Its totient is φ = 549709902720.

The previous prime is 1100120123101. The next prime is 1100120123159. The reversal of 1100120123104 is 4013210210011.

It is a super-2 number, since 2×1100120123104² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100120123101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10891407 + ... + 10991950.

It is an arithmetic number, because the mean of its divisors is an integer number (90301676787).

Almost surely, 2^{1100120123104} is an apocalyptic number.

It is an amenable number.

1100120123104 is a deficient number, since it is larger than the sum of its proper divisors (1067120119784).

1100120123104 is a wasteful number, since it uses less digits than its factorization.

1100120123104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21884938 (or 21884930 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1100120123104 its reverse (4013210210011), we get a palindrome (5113330333115).

The spelling of 1100120123104 in words is "one trillion, one hundred billion, one hundred twenty million, one hundred twenty-three thousand, one hundred four".