11021122012217 has 2 divisors, whose sum is σ = 11021122012218. Its totient is φ = 11021122012216.

The previous prime is 11021122012181. The next prime is 11021122012247. The reversal of 11021122012217 is 71221022112011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9336055806016 + 1685066206201 = 3055496^2 + 1298101^2 .

It is a cyclic number.

It is not a de Polignac number, because 11021122012217 - 2⁴² = 6623075501113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11021122012192 and 11021122012201.

It is not a weakly prime, because it can be changed into another prime (11021122012247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510561006108 + 5510561006109.

It is an arithmetic number, because the mean of its divisors is an integer number (5510561006109).

Almost surely, 2^{11021122012217} is an apocalyptic number.

It is an amenable number.

11021122012217 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021122012217 is an equidigital number, since it uses as much as digits as its factorization.

11021122012217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 23.

Adding to 11021122012217 its reverse (71221022112011), we get a palindrome (82242144124228).

The spelling of 11021122012217 in words is "eleven trillion, twenty-one billion, one hundred twenty-two million, twelve thousand, two hundred seventeen".