11220211297 has 2 divisors, whose sum is σ = 11220211298. Its totient is φ = 11220211296.

The previous prime is 11220211267. The next prime is 11220211337. The reversal of 11220211297 is 79211202211.

11220211297 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., 11026890081 + 193321216 = 105009^2 + 13904^2 .

It is a cyclic number.

It is not a de Polignac number, because 11220211297 - 2¹¹ = 11220209249 is a prime.

It is not a weakly prime, because it can be changed into another prime (11220211267) 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, 5610105648 + 5610105649.

It is an arithmetic number, because the mean of its divisors is an integer number (5610105649).

Almost surely, 2^11220211297 is an apocalyptic number.

It is an amenable number.

11220211297 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220211297 is an equidigital number, since it uses as much as digits as its factorization.

11220211297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 28.

The spelling of 11220211297 in words is "eleven billion, two hundred twenty million, two hundred eleven thousand, two hundred ninety-seven".