11112217 has 2 divisors, whose sum is σ = 11112218. Its totient is φ = 11112216.

The previous prime is 11112209. The next prime is 11112239. The reversal of 11112217 is 71221111.

11112217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7958041 + 3154176 = 2821^2 + 1776^2 .

It is a cyclic number.

It is not a de Polignac number, because 11112217 - 2³ = 11112209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11112217.

It is not a weakly prime, because it can be changed into another prime (11112287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556108 + 5556109.

It is an arithmetic number, because the mean of its divisors is an integer number (5556109).

Almost surely, 2^11112217 is an apocalyptic number.

It is an amenable number.

11112217 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112217 is an equidigital number, since it uses as much as digits as its factorization.

11112217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28, while the sum is 16.

The square root of 11112217 is about 3333.4992125393. The cubic root of 11112217 is about 223.1517196331.

Adding to 11112217 its reverse (71221111), we get a palindrome (82333328).

The spelling of 11112217 in words is "eleven million, one hundred twelve thousand, two hundred seventeen".