11220012120217 has 2 divisors, whose sum is σ = 11220012120218. Its totient is φ = 11220012120216.

The previous prime is 11220012120211. The next prime is 11220012120253. The reversal of 11220012120217 is 71202121002211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10850100014601 + 369912105616 = 3293949^2 + 608204^2 .

It is a cyclic number.

It is not a de Polignac number, because 11220012120217 - 2⁷ = 11220012120089 is a prime.

It is not a weakly prime, because it can be changed into another prime (11220012120211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610006060108 + 5610006060109.

It is an arithmetic number, because the mean of its divisors is an integer number (5610006060109).

Almost surely, 2^{11220012120217} is an apocalyptic number.

It is an amenable number.

11220012120217 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220012120217 is an equidigital number, since it uses as much as digits as its factorization.

11220012120217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 11220012120217 its reverse (71202121002211), we get a palindrome (82422133122428).

The spelling of 11220012120217 in words is "eleven trillion, two hundred twenty billion, twelve million, one hundred twenty thousand, two hundred seventeen".