11011222205617 has 2 divisors, whose sum is σ = 11011222205618. Its totient is φ = 11011222205616.

The previous prime is 11011222205611. The next prime is 11011222205663. The reversal of 11011222205617 is 71650222211011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10197286235761 + 813935969856 = 3193319^2 + 902184^2 .

It is a cyclic number.

It is not a de Polignac number, because 11011222205617 - 2¹⁵ = 11011222172849 is a prime.

It is a super-2 number, since 2×11011222205617² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11011222205611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505611102808 + 5505611102809.

It is an arithmetic number, because the mean of its divisors is an integer number (5505611102809).

Almost surely, 2^{11011222205617} is an apocalyptic number.

It is an amenable number.

11011222205617 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011222205617 is an equidigital number, since it uses as much as digits as its factorization.

11011222205617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 31.

Adding to 11011222205617 its reverse (71650222211011), we get a palindrome (82661444416628).

The spelling of 11011222205617 in words is "eleven trillion, eleven billion, two hundred twenty-two million, two hundred five thousand, six hundred seventeen".