9981112 has 16 divisors (see below), whose sum is σ = 18897840. Its totient is φ = 4941696.

The previous prime is 9981079. The next prime is 9981121. The reversal of 9981112 is 2111899.

It is a congruent number.

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, 5233 + ... + 6880.

It is an arithmetic number, because the mean of its divisors is an integer number (1181115).

Almost surely, 2^9981112 is an apocalyptic number.

It is an amenable number.

9981112 is a deficient number, since it is larger than the sum of its proper divisors (8916728).

9981112 is a wasteful number, since it uses less digits than its factorization.

9981112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12222 (or 12218 counting only the distinct ones).

The product of its digits is 1296, while the sum is 31.

The square root of 9981112 is about 3159.2897936087. The cubic root of 9981112 is about 215.3077403044.

The spelling of 9981112 in words is "nine million, nine hundred eighty-one thousand, one hundred twelve".