1110111123120 has 80 divisors (see below), whose sum is σ = 3471798942432. Its totient is φ = 293409894400.

The previous prime is 1110111123119. The next prime is 1110111123197. The reversal of 1110111123120 is 213211110111.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1110111123120.

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, 20439531 + ... + 20493770.

Almost surely, 2^{1110111123120} is an apocalyptic number.

1110111123120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1110111123120 is an abundant number, since it is smaller than the sum of its proper divisors (2361687819312).

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

1110111123120 is a wasteful number, since it uses less digits than its factorization.

1110111123120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40933430 (or 40933424 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 1110111123120 its reverse (213211110111), we get a palindrome (1323322233231).

The spelling of 1110111123120 in words is "one trillion, one hundred ten billion, one hundred eleven million, one hundred twenty-three thousand, one hundred twenty".