11199112 has 32 divisors (see below), whose sum is σ = 21795480. Its totient is φ = 5391360.

The previous prime is 11199103. The next prime is 11199121. The reversal of 11199112 is 21199111.

It is an interprime number because it is at equal distance from previous prime (11199103) and next prime (11199121).

It can be written as a sum of positive squares in 4 ways, for example, as 5410276 + 5788836 = 2326^2 + 2406^2 .

Together with 10596368 it forms an amicable pair .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25648 + ... + 26080.

Almost surely, 2^11199112 is an apocalyptic number.

It is an amenable number.

11199112 is a deficient number, since it is larger than the sum of its proper divisors (10596368).

11199112 is a wasteful number, since it uses less digits than its factorization.

11199112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553 (or 549 counting only the distinct ones).

The product of its digits is 162, while the sum is 25.

The square root of 11199112 is about 3346.5074331308. The cubic root of 11199112 is about 223.7318751899.

Subtracting 11199112 from its reverse (21199111), we obtain a palindrome (9999999).

It can be divided in two parts, 11199 and 112, that added together give a palindrome (11311).

The spelling of 11199112 in words is "eleven million, one hundred ninety-nine thousand, one hundred twelve".