110111100120 has 192 divisors, whose sum is σ = 409553464320. Its totient is φ = 25133213952.

The previous prime is 110111100107. The next prime is 110111100139. The reversal of 110111100120 is 21001111011.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1801989 + ... + 1862091.

It is an arithmetic number, because the mean of its divisors is an integer number (2133090960).

Almost surely, 2^110111100120 is an apocalyptic number.

110111100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 110111100120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204776732160).

110111100120 is an abundant number, since it is smaller than the sum of its proper divisors (299442364200).

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

110111100120 is a wasteful number, since it uses less digits than its factorization.

110111100120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60854 (or 60847 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 110111100120 its reverse (21001111011), we get a palindrome (131112211131).

The spelling of 110111100120 in words is "one hundred ten billion, one hundred eleven million, one hundred thousand, one hundred twenty".