221022102211297 has 2 divisors, whose sum is σ = 221022102211298. Its totient is φ = 221022102211296.

The previous prime is 221022102211199. The next prime is 221022102211333. The reversal of 221022102211297 is 792112201220122.

221022102211297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146418736330321 + 74603365880976 = 12100361^2 + 8637324^2 .

It is a cyclic number.

It is not a de Polignac number, because 221022102211297 - 2³⁵ = 220987742472929 is a prime.

It is not a weakly prime, because it can be changed into another prime (221022102212297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110511051105648 + 110511051105649.

It is an arithmetic number, because the mean of its divisors is an integer number (110511051105649).

Almost surely, 2^{221022102211297} is an apocalyptic number.

It is an amenable number.

221022102211297 is a deficient number, since it is larger than the sum of its proper divisors (1).

221022102211297 is an equidigital number, since it uses as much as digits as its factorization.

221022102211297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 34.

The spelling of 221022102211297 in words is "two hundred twenty-one trillion, twenty-two billion, one hundred two million, two hundred eleven thousand, two hundred ninety-seven".