11201212112017 has 2 divisors, whose sum is σ = 11201212112018. Its totient is φ = 11201212112016.

The previous prime is 11201212111961. The next prime is 11201212112029. The reversal of 11201212112017 is 71021121210211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5902173854721 + 5299038257296 = 2429439^2 + 2301964^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11201212112017 is a prime.

It is not a weakly prime, because it can be changed into another prime (11201212112117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600606056008 + 5600606056009.

It is an arithmetic number, because the mean of its divisors is an integer number (5600606056009).

Almost surely, 2^{11201212112017} is an apocalyptic number.

It is an amenable number.

11201212112017 is a deficient number, since it is larger than the sum of its proper divisors (1).

11201212112017 is an equidigital number, since it uses as much as digits as its factorization.

11201212112017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 22.

Adding to 11201212112017 its reverse (71021121210211), we get a palindrome (82222333322228).

The spelling of 11201212112017 in words is "eleven trillion, two hundred one billion, two hundred twelve million, one hundred twelve thousand, seventeen".