1112112222 has 64 divisors (see below), whose sum is σ = 2571186240. Its totient is φ = 317620224.

The previous prime is 1112112187. The next prime is 1112112223. The reversal of 1112112222 is 2222112111.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112112223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91054 + ... + 102542.

It is an arithmetic number, because the mean of its divisors is an integer number (40174785).

Almost surely, 2^1112112222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112112222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1285593120).

1112112222 is an abundant number, since it is smaller than the sum of its proper divisors (1459074018).

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

1112112222 is a wasteful number, since it uses less digits than its factorization.

1112112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11597.

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

The square root of 1112112222 is about 33348.3466156870. The cubic root of 1112112222 is about 1036.0551437034.

Adding to 1112112222 its reverse (2222112111), we get a palindrome (3334224333).

The spelling of 1112112222 in words is "one billion, one hundred twelve million, one hundred twelve thousand, two hundred twenty-two".