2111021095717 has 2 divisors, whose sum is σ = 2111021095718. Its totient is φ = 2111021095716.

The previous prime is 2111021095693. The next prime is 2111021095727. The reversal of 2111021095717 is 7175901201112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1995865388001 + 115155707716 = 1412751^2 + 339346^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111021095717 - 2²³ = 2111012707109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111021095727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055510547858 + 1055510547859.

It is an arithmetic number, because the mean of its divisors is an integer number (1055510547859).

Almost surely, 2^{2111021095717} is an apocalyptic number.

It is an amenable number.

2111021095717 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111021095717 is an equidigital number, since it uses as much as digits as its factorization.

2111021095717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8820, while the sum is 37.

Adding to 2111021095717 its reverse (7175901201112), we get a palindrome (9286922296829).

The spelling of 2111021095717 in words is "two trillion, one hundred eleven billion, twenty-one million, ninety-five thousand, seven hundred seventeen".