112111165 has 8 divisors (see below), whose sum is σ = 137072088. Its totient is φ = 87996480.

The previous prime is 112111163. The next prime is 112111169. The reversal of 112111165 is 561111211.

It can be written as a sum of positive squares in 4 ways, for example, as 17749369 + 94361796 = 4213^2 + 9714^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 112111165 - 2¹ = 112111163 is a prime.

It is a Duffinian number.

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 in 7 ways as a sum of consecutive naturals, for example, 211266 + ... + 211795.

It is an arithmetic number, because the mean of its divisors is an integer number (17134011).

Almost surely, 2^112111165 is an apocalyptic number.

It is an amenable number.

112111165 is a deficient number, since it is larger than the sum of its proper divisors (24960923).

112111165 is an equidigital number, since it uses as much as digits as its factorization.

112111165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423119.

The product of its digits is 60, while the sum is 19.

The square root of 112111165 is about 10588.2559942608. The cubic root of 112111165 is about 482.1878783539.

Adding to 112111165 its reverse (561111211), we get a palindrome (673222376).

The spelling of 112111165 in words is "one hundred twelve million, one hundred eleven thousand, one hundred sixty-five".