112122213 has 24 divisors (see below), whose sum is σ = 174637632. Its totient is φ = 62680704.

The previous prime is 112122193. The next prime is 112122239. The reversal of 112122213 is 312221211.

It is not a de Polignac number, because 112122213 - 2⁸ = 112121957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112122192 and 112122201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112122253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45181 + ... + 47597.

It is an arithmetic number, because the mean of its divisors is an integer number (7276568).

Almost surely, 2^112122213 is an apocalyptic number.

It is an amenable number.

112122213 is a deficient number, since it is larger than the sum of its proper divisors (62515419).

112122213 is an equidigital number, since it uses as much as digits as its factorization.

112122213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2521 (or 2474 counting only the distinct ones).

The product of its digits is 48, while the sum is 15.

The square root of 112122213 is about 10588.7776914996. Note that the first 3 decimals coincide. The cubic root of 112122213 is about 482.2037169093.

Adding to 112122213 its reverse (312221211), we get a palindrome (424343424).

The spelling of 112122213 in words is "one hundred twelve million, one hundred twenty-two thousand, two hundred thirteen".