11020211317 has 2 divisors, whose sum is σ = 11020211318. Its totient is φ = 11020211316.

The previous prime is 11020211309. The next prime is 11020211357. The reversal of 11020211317 is 71311202011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9325571761 + 1694639556 = 96569^2 + 41166^2 .

It is a cyclic number.

It is not a de Polignac number, because 11020211317 - 2³ = 11020211309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11020211294 and 11020211303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11020211357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510105658 + 5510105659.

It is an arithmetic number, because the mean of its divisors is an integer number (5510105659).

Almost surely, 2^11020211317 is an apocalyptic number.

It is an amenable number.

11020211317 is a deficient number, since it is larger than the sum of its proper divisors (1).

11020211317 is an equidigital number, since it uses as much as digits as its factorization.

11020211317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 19.

Adding to 11020211317 its reverse (71311202011), we get a palindrome (82331413328).

The spelling of 11020211317 in words is "eleven billion, twenty million, two hundred eleven thousand, three hundred seventeen".