112220112222 has 72 divisors (see below), whose sum is σ = 261045070104. Its totient is φ = 34813180512.

The previous prime is 112220112211. The next prime is 112220112229. The reversal of 112220112222 is 222211022211.

It is a happy number.

112220112222 is a `hidden beast` number, since 112 + 220 + 112 + 222 = 666.

112220112222 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 (18).

It is a junction number, because it is equal to n+sod(n) for n = 112220112195 and 112220112204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112220112229) 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 35 ways as a sum of consecutive naturals, for example, 193053 + ... + 511575.

Almost surely, 2^112220112222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112220112222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130522535052).

112220112222 is an abundant number, since it is smaller than the sum of its proper divisors (148824957882).

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

112220112222 is a wasteful number, since it uses less digits than its factorization.

112220112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318614 (or 318588 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 112220112222 its reverse (222211022211), we get a palindrome (334431134433).

The spelling of 112220112222 in words is "one hundred twelve billion, two hundred twenty million, one hundred twelve thousand, two hundred twenty-two".