11222112112 has 10 divisors (see below), whose sum is σ = 21742842248. Its totient is φ = 5611056048.

The previous prime is 11222112071. The next prime is 11222112157. The reversal of 11222112112 is 21121122211.

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 701382007 = 11222112112 / (1 + 1 + 2 + 2 + 2 + 1 + 1 + 2 + 1 + 1 + 2).

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 (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350690988 + ... + 350691019.

Almost surely, 2^11222112112 is an apocalyptic number.

It is an amenable number.

11222112112 is a deficient number, since it is larger than the sum of its proper divisors (10520730136).

11222112112 is an equidigital number, since it uses as much as digits as its factorization.

11222112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701382015 (or 701382009 counting only the distinct ones).

The product of its digits is 32, while the sum is 16.

Adding to 11222112112 its reverse (21121122211), we get a palindrome (32343234323).

The spelling of 11222112112 in words is "eleven billion, two hundred twenty-two million, one hundred twelve thousand, one hundred twelve".