11001223217 has 2 divisors, whose sum is σ = 11001223218. Its totient is φ = 11001223216.

The previous prime is 11001223201. The next prime is 11001223267. The reversal of 11001223217 is 71232210011.

11001223217 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., 9043249216 + 1957974001 = 95096^2 + 44249^2 .

It is a cyclic number.

It is not a de Polignac number, because 11001223217 - 2⁴ = 11001223201 is a prime.

It is not a weakly prime, because it can be changed into another prime (11001223267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500611608 + 5500611609.

It is an arithmetic number, because the mean of its divisors is an integer number (5500611609).

Almost surely, 2^11001223217 is an apocalyptic number.

It is an amenable number.

11001223217 is a deficient number, since it is larger than the sum of its proper divisors (1).

11001223217 is an equidigital number, since it uses as much as digits as its factorization.

11001223217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 20.

Adding to 11001223217 its reverse (71232210011), we get a palindrome (82233433228).

The spelling of 11001223217 in words is "eleven billion, one million, two hundred twenty-three thousand, two hundred seventeen".