112111312 has 20 divisors (see below), whose sum is σ = 217413540. Its totient is φ = 56004608.

The previous prime is 112111297. The next prime is 112111327. The reversal of 112111312 is 213111211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (112111297) and next prime (112111327).

It can be written as a sum of positive squares in 2 ways, for example, as 28132416 + 83978896 = 5304^2 + 9164^2 .

It is a super-2 number, since 2×112111312² = 25137892556722688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112111292 and 112111301.

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, 20058 + ... + 25030.

It is an arithmetic number, because the mean of its divisors is an integer number (10870677).

Almost surely, 2^112111312 is an apocalyptic number.

It is an amenable number.

112111312 is a deficient number, since it is larger than the sum of its proper divisors (105302228).

112111312 is a wasteful number, since it uses less digits than its factorization.

112111312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6390 (or 6384 counting only the distinct ones).

The product of its digits is 12, while the sum is 13.

The square root of 112111312 is about 10588.2629359116. The cubic root of 112111312 is about 482.1880891018.

Adding to 112111312 its reverse (213111211), we get a palindrome (325222523).

The spelling of 112111312 in words is "one hundred twelve million, one hundred eleven thousand, three hundred twelve".