111120122112120 has 192 divisors, whose sum is σ = 393977611497600. Its totient is φ = 26937782741760.

The previous prime is 111120122112079. The next prime is 111120122112137. The reversal of 111120122112120 is 21211221021111.

It is a happy number.

111120122112120 is a `hidden beast` number, since 1 + 111 + 201 + 221 + 12 + 120 = 666.

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 = 111120122112093 and 111120122112102.

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, 299424199 + ... + 299795081.

It is an arithmetic number, because the mean of its divisors is an integer number (2051966726550).

Almost surely, 2^{111120122112120} is an apocalyptic number.

111120122112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111120122112120 is an abundant number, since it is smaller than the sum of its proper divisors (282857489385480).

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

111120122112120 is a wasteful number, since it uses less digits than its factorization.

111120122112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446570 (or 446563 counting only the distinct ones).

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

Adding to 111120122112120 its reverse (21211221021111), we get a palindrome (132331343133231).

The spelling of 111120122112120 in words is "one hundred eleven trillion, one hundred twenty billion, one hundred twenty-two million, one hundred twelve thousand, one hundred twenty".