111102111222120 has 96 divisors (see below), whose sum is σ = 370840830745320. Its totient is φ = 28826493719040.

The previous prime is 111102111222073. The next prime is 111102111222121. The reversal of 111102111222120 is 21222111201111.

It is a happy number.

111102111222120 is a `hidden beast` number, since 1 + 1 + 110 + 211 + 1 + 222 + 120 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 85045394664036 + 26056716558084 = 9222006^2 + 5104578^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 111102111222093 and 111102111222102.

It is not an unprimeable number, because it can be changed into a prime (111102111222121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4170486351 + ... + 4170512990.

Almost surely, 2^{111102111222120} is an apocalyptic number.

111102111222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111102111222120 is an abundant number, since it is smaller than the sum of its proper divisors (259738719523200).

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

111102111222120 is a wasteful number, since it uses less digits than its factorization.

111102111222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8340999395 (or 8340999388 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 111102111222120 its reverse (21222111201111), we get a palindrome (132324222423231).

The spelling of 111102111222120 in words is "one hundred eleven trillion, one hundred two billion, one hundred eleven million, two hundred twenty-two thousand, one hundred twenty".