112113213 has 4 divisors (see below), whose sum is σ = 149484288. Its totient is φ = 74742140.

The previous prime is 112113203. The next prime is 112113233. The reversal of 112113213 is 312311211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 312311211 = 3 ⋅104103737.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112113213 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 112113192 and 112113201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112113203) 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 3 ways as a sum of consecutive naturals, for example, 18685533 + ... + 18685538.

It is an arithmetic number, because the mean of its divisors is an integer number (37371072).

Almost surely, 2^112113213 is an apocalyptic number.

It is an amenable number.

112113213 is a deficient number, since it is larger than the sum of its proper divisors (37371075).

112113213 is an equidigital number, since it uses as much as digits as its factorization.

112113213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37371074.

The product of its digits is 36, while the sum is 15.

The square root of 112113213 is about 10588.3527047412. The cubic root of 112113213 is about 482.1908144717.

Adding to 112113213 its reverse (312311211), we get a palindrome (424424424).

The spelling of 112113213 in words is "one hundred twelve million, one hundred thirteen thousand, two hundred thirteen".