211103330297 has 2 divisors, whose sum is σ = 211103330298. Its totient is φ = 211103330296.

The previous prime is 211103330279. The next prime is 211103330323. The reversal of 211103330297 is 792033301112.

Together with previous prime (211103330279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187180830736 + 23922499561 = 432644^2 + 154669^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211103330297 is a prime.

It is not a weakly prime, because it can be changed into another prime (211103330227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105551665148 + 105551665149.

It is an arithmetic number, because the mean of its divisors is an integer number (105551665149).

Almost surely, 2^211103330297 is an apocalyptic number.

It is an amenable number.

211103330297 is a deficient number, since it is larger than the sum of its proper divisors (1).

211103330297 is an equidigital number, since it uses as much as digits as its factorization.

211103330297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 32.

The spelling of 211103330297 in words is "two hundred eleven billion, one hundred three million, three hundred thirty thousand, two hundred ninety-seven".