112211211222 has 96 divisors (see below), whose sum is σ = 286005242880. Its totient is φ = 32524945200.

The previous prime is 112211211197. The next prime is 112211211227. The reversal of 112211211222 is 222112112211.

112211211222 is a `hidden beast` number, since 11 + 221 + 1 + 211 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 112211211195 and 112211211204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112211211227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 223054 + ... + 523617.

It is an arithmetic number, because the mean of its divisors is an integer number (2979221280).

Almost surely, 2^112211211222 is an apocalyptic number.

112211211222 is an abundant number, since it is smaller than the sum of its proper divisors (173794031658).

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

112211211222 is a wasteful number, since it uses less digits than its factorization.

112211211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746727 (or 746710 counting only the distinct ones).

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

Adding to 112211211222 its reverse (222112112211), we get a palindrome (334323323433).

The spelling of 112211211222 in words is "one hundred twelve billion, two hundred eleven million, two hundred eleven thousand, two hundred twenty-two".