220112211222 has 12 divisors (see below), whose sum is σ = 476909791020. Its totient is φ = 73370737068.

The previous prime is 220112211181. The next prime is 220112211229. The reversal of 220112211222 is 222112211022.

It is a happy number.

220112211222 is a `hidden beast` number, since 220 + 1 + 1 + 221 + 1 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 12228456179 = 220112211222 / (2 + 2 + 0 + 1 + 1 + 2 + 2 + 1 + 1 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 220112211195 and 220112211204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220112211229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6114228072 + ... + 6114228107.

It is an arithmetic number, because the mean of its divisors is an integer number (39742482585).

Almost surely, 2^220112211222 is an apocalyptic number.

220112211222 is an abundant number, since it is smaller than the sum of its proper divisors (256797579798).

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

220112211222 is a wasteful number, since it uses less digits than its factorization.

220112211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12228456187 (or 12228456184 counting only the distinct ones).

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

Adding to 220112211222 its reverse (222112211022), we get a palindrome (442224422244).

The spelling of 220112211222 in words is "two hundred twenty billion, one hundred twelve million, two hundred eleven thousand, two hundred twenty-two".