11011122201217 has 2 divisors, whose sum is σ = 11011122201218. Its totient is φ = 11011122201216.

The previous prime is 11011122201199. The next prime is 11011122201221. The reversal of 11011122201217 is 71210222111011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10869938647681 + 141183553536 = 3296959^2 + 375744^2 .

It is a cyclic number.

It is not a de Polignac number, because 11011122201217 - 2²³ = 11011113812609 is a prime.

It is a super-2 number, since 2×11011122201217² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11011122201257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505561100608 + 5505561100609.

It is an arithmetic number, because the mean of its divisors is an integer number (5505561100609).

Almost surely, 2^{11011122201217} is an apocalyptic number.

It is an amenable number.

11011122201217 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011122201217 is an equidigital number, since it uses as much as digits as its factorization.

11011122201217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 22.

Adding to 11011122201217 its reverse (71210222111011), we get a palindrome (82221344312228).

The spelling of 11011122201217 in words is "eleven trillion, eleven billion, one hundred twenty-two million, two hundred one thousand, two hundred seventeen".