112111222 has 4 divisors (see below), whose sum is σ = 168166836. Its totient is φ = 56055610.

The previous prime is 112111213. The next prime is 112111231. The reversal of 112111222 is 222111211.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (112111213) and next prime (112111231).

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 28027804 + ... + 28027807.

It is an arithmetic number, because the mean of its divisors is an integer number (42041709).

Almost surely, 2^112111222 is an apocalyptic number.

112111222 is a deficient number, since it is larger than the sum of its proper divisors (56055614).

112111222 is an equidigital number, since it uses as much as digits as its factorization.

112111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56055613.

The product of its digits is 16, while the sum is 13.

The square root of 112111222 is about 10588.2586859219. The cubic root of 112111222 is about 482.1879600725.

Adding to 112111222 its reverse (222111211), we get a palindrome (334222433).

The spelling of 112111222 in words is "one hundred twelve million, one hundred eleven thousand, two hundred twenty-two".