112110221220 has 24 divisors (see below), whose sum is σ = 313908619584. Its totient is φ = 29896058976.

The previous prime is 112110221087. The next prime is 112110221227. The reversal of 112110221220 is 22122011211.

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 112110221220.

It is not an unprimeable number, because it can be changed into a prime (112110221227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 934251784 + ... + 934251903.

It is an arithmetic number, because the mean of its divisors is an integer number (13079525816).

Almost surely, 2^112110221220 is an apocalyptic number.

112110221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112110221220 is an abundant number, since it is smaller than the sum of its proper divisors (201798398364).

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

112110221220 is a wasteful number, since it uses less digits than its factorization.

112110221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868503699 (or 1868503697 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 112110221220 its reverse (22122011211), we get a palindrome (134232232431).

The spelling of 112110221220 in words is "one hundred twelve billion, one hundred ten million, two hundred twenty-one thousand, two hundred twenty".