111982196 has 12 divisors (see below), whose sum is σ = 207496548. Its totient is φ = 52697472.

The previous prime is 111982183. The next prime is 111982201. The reversal of 111982196 is 691289111.

It can be written as a sum of positive squares in 2 ways, for example, as 89038096 + 22944100 = 9436^2 + 4790^2 .

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, 823331 + ... + 823466.

It is an arithmetic number, because the mean of its divisors is an integer number (17291379).

Almost surely, 2^111982196 is an apocalyptic number.

It is an amenable number.

111982196 is a deficient number, since it is larger than the sum of its proper divisors (95514352).

111982196 is a wasteful number, since it uses less digits than its factorization.

111982196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646818 (or 1646816 counting only the distinct ones).

The product of its digits is 7776, while the sum is 38.

The square root of 111982196 is about 10582.1640508924. The cubic root of 111982196 is about 482.0029097120.

The spelling of 111982196 in words is "one hundred eleven million, nine hundred eighty-two thousand, one hundred ninety-six".