22111112 has 16 divisors (see below), whose sum is σ = 41658000. Its totient is φ = 11002320.

The previous prime is 22111109. The next prime is 22111121. The reversal of 22111112 is 21111122.

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 junction number, because it is equal to n+sod(n) for n = 22111093 and 22111102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4862 + ... + 8237.

It is an arithmetic number, because the mean of its divisors is an integer number (2603625).

Almost surely, 2^22111112 is an apocalyptic number.

It is an amenable number.

22111112 is a deficient number, since it is larger than the sum of its proper divisors (19546888).

22111112 is a wasteful number, since it uses less digits than its factorization.

22111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13316 (or 13312 counting only the distinct ones).

The product of its digits is 8, while the sum is 11.

The square root of 22111112 is about 4702.2454210728. The cubic root of 22111112 is about 280.6748686927.

Adding to 22111112 its reverse (21111122), we get a palindrome (43222234).

It can be divided in two parts, 2 and 2111112, that multiplied together give a palindrome (4222224).

The spelling of 22111112 in words is "twenty-two million, one hundred eleven thousand, one hundred twelve".