112133213 has 4 divisors (see below), whose sum is σ = 114248988. Its totient is φ = 110017440.

The previous prime is 112133191. The next prime is 112133243. The reversal of 112133213 is 312331211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 64288324 + 47844889 = 8018^2 + 6917^2 .

It is a cyclic number.

It is not a de Polignac number, because 112133213 - 2⁶ = 112133149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112133191 and 112133200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112133243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1057808 + ... + 1057913.

It is an arithmetic number, because the mean of its divisors is an integer number (28562247).

Almost surely, 2^112133213 is an apocalyptic number.

It is an amenable number.

112133213 is a deficient number, since it is larger than the sum of its proper divisors (2115775).

112133213 is an equidigital number, since it uses as much as digits as its factorization.

112133213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115774.

The product of its digits is 108, while the sum is 17.

The square root of 112133213 is about 10589.2970965971. The cubic root of 112133213 is about 482.2194856177.

Adding to 112133213 its reverse (312331211), we get a palindrome (424464424).

The spelling of 112133213 in words is "one hundred twelve million, one hundred thirty-three thousand, two hundred thirteen".