112221213 has 16 divisors (see below), whose sum is σ = 166696320. Its totient is φ = 66677184.

The previous prime is 112221211. The next prime is 112221217. The reversal of 112221213 is 312122211.

It is not a de Polignac number, because 112221213 - 2¹ = 112221211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112221192 and 112221201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112221211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48481 + ... + 50742.

It is an arithmetic number, because the mean of its divisors is an integer number (10418520).

Almost surely, 2^112221213 is an apocalyptic number.

112221213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

112221213 is a deficient number, since it is larger than the sum of its proper divisors (54475107).

112221213 is a wasteful number, since it uses less digits than its factorization.

112221213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99268.

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

The square root of 112221213 is about 10593.4514205711. The cubic root of 112221213 is about 482.3455981750.

Adding to 112221213 its reverse (312122211), we get a palindrome (424343424).

The spelling of 112221213 in words is "one hundred twelve million, two hundred twenty-one thousand, two hundred thirteen".