112221219 has 16 divisors (see below), whose sum is σ = 163422720. Its totient is φ = 67932960.

The previous prime is 112221217. The next prime is 112221227. The reversal of 112221219 is 912122211.

It is not a de Polignac number, because 112221219 - 2¹ = 112221217 is a prime.

It is a super-2 number, since 2×112221219² = 25187203987691922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112221195 and 112221204.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39174 + ... + 41940.

It is an arithmetic number, because the mean of its divisors is an integer number (10213920).

Almost surely, 2^112221219 is an apocalyptic number.

112221219 is a deficient number, since it is larger than the sum of its proper divisors (51201501).

112221219 is a wasteful number, since it uses less digits than its factorization.

112221219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4010.

The product of its digits is 144, while the sum is 21.

The square root of 112221219 is about 10593.4517037649. The cubic root of 112221219 is about 482.3456067713.

The spelling of 112221219 in words is "one hundred twelve million, two hundred twenty-one thousand, two hundred nineteen".