111121111101120 has 112 divisors (see below), whose sum is σ = 356446739671008. Its totient is φ = 29326808678400.

The previous prime is 111121111101061. The next prime is 111121111101191. The reversal of 111121111101120 is 21101111121111.

It is a happy number.

111121111101120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 111121111101120.

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, 596562331 + ... + 596748570.

It is an arithmetic number, because the mean of its divisors is an integer number (3182560175634).

Almost surely, 2^{111121111101120} is an apocalyptic number.

111121111101120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111121111101120 is an abundant number, since it is smaller than the sum of its proper divisors (245325628569888).

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

111121111101120 is a wasteful number, since it uses less digits than its factorization.

111121111101120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193311018 (or 1193311008 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 15.

Adding to 111121111101120 its reverse (21101111121111), we get a palindrome (132222222222231).

The spelling of 111121111101120 in words is "one hundred eleven trillion, one hundred twenty-one billion, one hundred eleven million, one hundred one thousand, one hundred twenty".