2211101000197 has 2 divisors, whose sum is σ = 2211101000198. Its totient is φ = 2211101000196.

The previous prime is 2211101000161. The next prime is 2211101000219. The reversal of 2211101000197 is 7910001011122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1286684131041 + 924416869156 = 1134321^2 + 961466^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2211101000197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2211101030197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105550500098 + 1105550500099.

It is an arithmetic number, because the mean of its divisors is an integer number (1105550500099).

Almost surely, 2^{2211101000197} is an apocalyptic number.

It is an amenable number.

2211101000197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211101000197 is an equidigital number, since it uses as much as digits as its factorization.

2211101000197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 25.

The spelling of 2211101000197 in words is "two trillion, two hundred eleven billion, one hundred one million, one hundred ninety-seven", and thus it is an aban number.