2211216016697 has 2 divisors, whose sum is σ = 2211216016698. Its totient is φ = 2211216016696.

The previous prime is 2211216016627. The next prime is 2211216016703. The reversal of 2211216016697 is 7966106121122.

2211216016697 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., 1534077939241 + 677138077456 = 1238579^2 + 822884^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211216016697 - 2²⁴ = 2211199239481 is a prime.

It is not a weakly prime, because it can be changed into another prime (2211216016627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105608008348 + 1105608008349.

It is an arithmetic number, because the mean of its divisors is an integer number (1105608008349).

Almost surely, 2^{2211216016697} is an apocalyptic number.

It is an amenable number.

2211216016697 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211216016697 is an equidigital number, since it uses as much as digits as its factorization.

2211216016697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 44.

The spelling of 2211216016697 in words is "two trillion, two hundred eleven billion, two hundred sixteen million, sixteen thousand, six hundred ninety-seven".