2201112217 has 2 divisors, whose sum is σ = 2201112218. Its totient is φ = 2201112216.

The previous prime is 2201112191. The next prime is 2201112241. The reversal of 2201112217 is 7122111022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1905409801 + 295702416 = 43651^2 + 17196^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201112217 - 2¹¹ = 2201110169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2201112194 and 2201112203.

It is not a weakly prime, because it can be changed into another prime (2201110217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100556108 + 1100556109.

It is an arithmetic number, because the mean of its divisors is an integer number (1100556109).

Almost surely, 2^2201112217 is an apocalyptic number.

It is an amenable number.

2201112217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201112217 is an equidigital number, since it uses as much as digits as its factorization.

2201112217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 2201112217 is about 46916.0123731760. The cubic root of 2201112217 is about 1300.8105826420.

Adding to 2201112217 its reverse (7122111022), we get a palindrome (9323223239).

The spelling of 2201112217 in words is "two billion, two hundred one million, one hundred twelve thousand, two hundred seventeen".