1100120123120 has 20 divisors (see below), whose sum is σ = 2557779286440. Its totient is φ = 440048049216.

The previous prime is 1100120123101. The next prime is 1100120123159. The reversal of 1100120123120 is 213210210011.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 1100120123095 and 1100120123104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6875750690 + ... + 6875750849.

It is an arithmetic number, because the mean of its divisors is an integer number (127888964322).

Almost surely, 2^{1100120123120} is an apocalyptic number.

1100120123120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100120123120 is an abundant number, since it is smaller than the sum of its proper divisors (1457659163320).

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

1100120123120 is a wasteful number, since it uses less digits than its factorization.

1100120123120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13751501552 (or 13751501546 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1100120123120 its reverse (213210210011), we get a palindrome (1313330333131).

The spelling of 1100120123120 in words is "one trillion, one hundred billion, one hundred twenty million, one hundred twenty-three thousand, one hundred twenty".