10202002002197 has 2 divisors, whose sum is σ = 10202002002198. Its totient is φ = 10202002002196.

The previous prime is 10202002002187. The next prime is 10202002002259. The reversal of 10202002002197 is 79120020020201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6933694842481 + 3268307159716 = 2633191^2 + 1807846^2 .

It is a cyclic number.

It is not a de Polignac number, because 10202002002197 - 2²⁰ = 10202000953621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10202002002187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101001001098 + 5101001001099.

It is an arithmetic number, because the mean of its divisors is an integer number (5101001001099).

Almost surely, 2^{10202002002197} is an apocalyptic number.

It is an amenable number.

10202002002197 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202002002197 is an equidigital number, since it uses as much as digits as its factorization.

10202002002197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

Adding to 10202002002197 its reverse (79120020020201), we get a palindrome (89322022022398).

The spelling of 10202002002197 in words is "ten trillion, two hundred two billion, two million, two thousand, one hundred ninety-seven".