112111166 has 4 divisors (see below), whose sum is σ = 168166752. Its totient is φ = 56055582.

The previous prime is 112111163. The next prime is 112111169. The reversal of 112111166 is 661111211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 661111211 = 163 ⋅4055897.

It is an interprime number because it is at equal distance from previous prime (112111163) and next prime (112111169).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112111163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28027790 + ... + 28027793.

It is an arithmetic number, because the mean of its divisors is an integer number (42041688).

Almost surely, 2^112111166 is an apocalyptic number.

112111166 is a deficient number, since it is larger than the sum of its proper divisors (56055586).

112111166 is an equidigital number, since it uses as much as digits as its factorization.

112111166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56055585.

The product of its digits is 72, while the sum is 20.

The square root of 112111166 is about 10588.2560414829. The cubic root of 112111166 is about 482.1878797875.

Adding to 112111166 its reverse (661111211), we get a palindrome (773222377).

The spelling of 112111166 in words is "one hundred twelve million, one hundred eleven thousand, one hundred sixty-six".