112220211222 has 48 divisors (see below), whose sum is σ = 284340925440. Its totient is φ = 31317266736.

The previous prime is 112220211151. The next prime is 112220211223. The reversal of 112220211222 is 222112022211.

It is a happy number.

112220211222 is a `hidden beast` number, since 1 + 12 + 220 + 211 + 222 = 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 = 112220211195 and 112220211204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112220211223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10350822 + ... + 10361657.

It is an arithmetic number, because the mean of its divisors is an integer number (5923769280).

Almost surely, 2^112220211222 is an apocalyptic number.

112220211222 is an abundant number, since it is smaller than the sum of its proper divisors (172120714218).

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

112220211222 is a wasteful number, since it uses less digits than its factorization.

112220211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20712537 (or 20712534 counting only the distinct ones).

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

Adding to 112220211222 its reverse (222112022211), we get a palindrome (334332233433).

The spelling of 112220211222 in words is "one hundred twelve billion, two hundred twenty million, two hundred eleven thousand, two hundred twenty-two".