11220120017 has 2 divisors, whose sum is σ = 11220120018. Its totient is φ = 11220120016.

The previous prime is 11220120013. The next prime is 11220120049. The reversal of 11220120017 is 71002102211.

11220120017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11212480321 + 7639696 = 105889^2 + 2764^2 .

It is a cyclic number.

It is not a de Polignac number, because 11220120017 - 2² = 11220120013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11220119977 and 11220120004.

It is not a weakly prime, because it can be changed into another prime (11220120013) 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, 5610060008 + 5610060009.

It is an arithmetic number, because the mean of its divisors is an integer number (5610060009).

Almost surely, 2^11220120017 is an apocalyptic number.

It is an amenable number.

11220120017 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220120017 is an equidigital number, since it uses as much as digits as its factorization.

11220120017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 11220120017 its reverse (71002102211), we get a palindrome (82222222228).

The spelling of 11220120017 in words is "eleven billion, two hundred twenty million, one hundred twenty thousand, seventeen".