11112222102197 has 2 divisors, whose sum is σ = 11112222102198. Its totient is φ = 11112222102196.

The previous prime is 11112222102151. The next prime is 11112222102227. The reversal of 11112222102197 is 79120122221111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9212384406481 + 1899837695716 = 3035191^2 + 1378346^2 .

It is a cyclic number.

It is not a de Polignac number, because 11112222102197 - 2¹⁰ = 11112222101173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11112222104197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556111051098 + 5556111051099.

It is an arithmetic number, because the mean of its divisors is an integer number (5556111051099).

Almost surely, 2^{11112222102197} is an apocalyptic number.

It is an amenable number.

11112222102197 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112222102197 is an equidigital number, since it uses as much as digits as its factorization.

11112222102197 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 32.

The spelling of 11112222102197 in words is "eleven trillion, one hundred twelve billion, two hundred twenty-two million, one hundred two thousand, one hundred ninety-seven".