11105200217 has 2 divisors, whose sum is σ = 11105200218. Its totient is φ = 11105200216.

The previous prime is 11105200213. The next prime is 11105200303. The reversal of 11105200217 is 71200250111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5884270681 + 5220929536 = 76709^2 + 72256^2 .

It is a cyclic number.

It is not a de Polignac number, because 11105200217 - 2² = 11105200213 is a prime.

It is not a weakly prime, because it can be changed into another prime (11105200213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5552600108 + 5552600109.

It is an arithmetic number, because the mean of its divisors is an integer number (5552600109).

Almost surely, 2^11105200217 is an apocalyptic number.

It is an amenable number.

11105200217 is a deficient number, since it is larger than the sum of its proper divisors (1).

11105200217 is an equidigital number, since it uses as much as digits as its factorization.

11105200217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 140, while the sum is 20.

Adding to 11105200217 its reverse (71200250111), we get a palindrome (82305450328).

The spelling of 11105200217 in words is "eleven billion, one hundred five million, two hundred thousand, two hundred seventeen".