11102221022197 has 2 divisors, whose sum is σ = 11102221022198. Its totient is φ = 11102221022196.

The previous prime is 11102221022171. The next prime is 11102221022239. The reversal of 11102221022197 is 79122012220111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10418182853841 + 684038168356 = 3227721^2 + 827066^2 .

It is a cyclic number.

It is not a de Polignac number, because 11102221022197 - 2²⁷ = 11102086804469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11102221022107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5551110511098 + 5551110511099.

It is an arithmetic number, because the mean of its divisors is an integer number (5551110511099).

Almost surely, 2^{11102221022197} is an apocalyptic number.

It is an amenable number.

11102221022197 is a deficient number, since it is larger than the sum of its proper divisors (1).

11102221022197 is an equidigital number, since it uses as much as digits as its factorization.

11102221022197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 31.

The spelling of 11102221022197 in words is "eleven trillion, one hundred two billion, two hundred twenty-one million, twenty-two thousand, one hundred ninety-seven".