11222112 has 48 divisors (see below), whose sum is σ = 32139072. Its totient is φ = 3400320.

The previous prime is 11222089. The next prime is 11222129. The reversal of 11222112 is 21122211.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product 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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4258 + ... + 6369.

It is an arithmetic number, because the mean of its divisors is an integer number (669564).

Almost surely, 2^11222112 is an apocalyptic number.

11222112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11222112 is an abundant number, since it is smaller than the sum of its proper divisors (20916960).

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

11222112 is a wasteful number, since it uses less digits than its factorization.

11222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10651 (or 10643 counting only the distinct ones).

The product of its digits is 16, while the sum is 12.

The square root of 11222112 is about 3349.9420890517. The cubic root of 11222112 is about 223.8849323971.

Adding to 11222112 its reverse (21122211), we get a palindrome (32344323).

Subtracting 11222112 from its reverse (21122211), we obtain a palindrome (9900099).

It can be divided in two parts, 1122211 and 2, that multiplied together give a palindrome (2244422).

The spelling of 11222112 in words is "eleven million, two hundred twenty-two thousand, one hundred twelve".