11020211161 has 2 divisors, whose sum is σ = 11020211162. Its totient is φ = 11020211160.

The previous prime is 11020211129. The next prime is 11020211171. The reversal of 11020211161 is 16111202011.

11020211161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10915025625 + 105185536 = 104475^2 + 10256^2 .

It is a cyclic number.

It is not a de Polignac number, because 11020211161 - 2⁵ = 11020211129 is a prime.

It is not a weakly prime, because it can be changed into another prime (11020211171) 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, 5510105580 + 5510105581.

It is an arithmetic number, because the mean of its divisors is an integer number (5510105581).

Almost surely, 2^11020211161 is an apocalyptic number.

It is an amenable number.

11020211161 is a deficient number, since it is larger than the sum of its proper divisors (1).

11020211161 is an equidigital number, since it uses as much as digits as its factorization.

11020211161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 11020211161 its reverse (16111202011), we get a palindrome (27131413172).

The spelling of 11020211161 in words is "eleven billion, twenty million, two hundred eleven thousand, one hundred sixty-one".