11211002017 has 2 divisors, whose sum is σ = 11211002018. Its totient is φ = 11211002016.

The previous prime is 11211001973. The next prime is 11211002081. The reversal of 11211002017 is 71020011211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11209727376 + 1274641 = 105876^2 + 1129^2 .

It is an emirp because it is prime and its reverse (71020011211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11211002017 - 2²⁷ = 11076784289 is a prime.

It is not a weakly prime, because it can be changed into another prime (11211002717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605501008 + 5605501009.

It is an arithmetic number, because the mean of its divisors is an integer number (5605501009).

Almost surely, 2^11211002017 is an apocalyptic number.

It is an amenable number.

11211002017 is a deficient number, since it is larger than the sum of its proper divisors (1).

11211002017 is an equidigital number, since it uses as much as digits as its factorization.

11211002017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 16.

Adding to 11211002017 its reverse (71020011211), we get a palindrome (82231013228).

The spelling of 11211002017 in words is "eleven billion, two hundred eleven million, two thousand, seventeen".