111100220120120 has 64 divisors (see below), whose sum is σ = 311657760345600. Its totient is φ = 34628640036480.

The previous prime is 111100220120117. The next prime is 111100220120129. The reversal of 111100220120120 is 21021022001111.

111100220120120 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 (14).

It is a junction number, because it is equal to n+sod(n) for n = 111100220120095 and 111100220120104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111100220120129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18035746940 + ... + 18035753099.

It is an arithmetic number, because the mean of its divisors is an integer number (4869652505400).

Almost surely, 2^{111100220120120} is an apocalyptic number.

111100220120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111100220120120 is an abundant number, since it is smaller than the sum of its proper divisors (200557540225480).

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

111100220120120 is a wasteful number, since it uses less digits than its factorization.

111100220120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36071500068 (or 36071500064 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111100220120120 its reverse (21021022001111), we get a palindrome (132121242121231).

The spelling of 111100220120120 in words is "one hundred eleven trillion, one hundred billion, two hundred twenty million, one hundred twenty thousand, one hundred twenty".