112215331 has 4 divisors (see below), whose sum is σ = 112576464. Its totient is φ = 111854200.

The previous prime is 112215293. The next prime is 112215353. The reversal of 112215331 is 133512211.

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

It is a cyclic number.

It is not a de Polignac number, because 112215331 - 2⁹ = 112214819 is a prime.

It is a super-2 number, since 2×112215331² = 25184561022879122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112215299 and 112215308.

It is not an unprimeable number, because it can be changed into a prime (112215371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180100 + ... + 180721.

It is an arithmetic number, because the mean of its divisors is an integer number (28144116).

Almost surely, 2^112215331 is an apocalyptic number.

112215331 is a deficient number, since it is larger than the sum of its proper divisors (361133).

112215331 is an equidigital number, since it uses as much as digits as its factorization.

112215331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361132.

The product of its digits is 180, while the sum is 19.

The square root of 112215331 is about 10593.1737925893. The cubic root of 112215331 is about 482.3371707535.

Adding to 112215331 its reverse (133512211), we get a palindrome (245727542).

The spelling of 112215331 in words is "one hundred twelve million, two hundred fifteen thousand, three hundred thirty-one".