111012012222120 has 96 divisors (see below), whose sum is σ = 369179482557600. Its totient is φ = 28914756667776.

The previous prime is 111012012222101. The next prime is 111012012222149. The reversal of 111012012222120 is 21222210210111.

111012012222120 is a `hidden beast` number, since 1 + 110 + 120 + 1 + 222 + 212 + 0 = 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 = 111012012222093 and 111012012222102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3585643830 + ... + 3585674789.

It is an arithmetic number, because the mean of its divisors is an integer number (3845619609975).

Almost surely, 2^{111012012222120} is an apocalyptic number.

111012012222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111012012222120 is an abundant number, since it is smaller than the sum of its proper divisors (258167470335480).

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

111012012222120 is a wasteful number, since it uses less digits than its factorization.

111012012222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7171318679 (or 7171318672 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 111012012222120 its reverse (21222210210111), we get a palindrome (132234222432231).

The spelling of 111012012222120 in words is "one hundred eleven trillion, twelve billion, twelve million, two hundred twenty-two thousand, one hundred twenty".