10202202195817 has 2 divisors, whose sum is σ = 10202202195818. Its totient is φ = 10202202195816.

The previous prime is 10202202195791. The next prime is 10202202195821. The reversal of 10202202195817 is 71859120220201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7346680146576 + 2855522049241 = 2710476^2 + 1689829^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10202202195817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10202202195817.

It is not a weakly prime, because it can be changed into another prime (10202202195517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101101097908 + 5101101097909.

It is an arithmetic number, because the mean of its divisors is an integer number (5101101097909).

Almost surely, 2^{10202202195817} is an apocalyptic number.

It is an amenable number.

10202202195817 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202202195817 is an equidigital number, since it uses as much as digits as its factorization.

10202202195817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 40.

The spelling of 10202202195817 in words is "ten trillion, two hundred two billion, two hundred two million, one hundred ninety-five thousand, eight hundred seventeen".