200000211210197 has 2 divisors, whose sum is σ = 200000211210198. Its totient is φ = 200000211210196.

The previous prime is 200000211210187. The next prime is 200000211210203. The reversal of 200000211210197 is 791012112000002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186041252413636 + 13958958796561 = 13639694^2 + 3736169^2 .

It is a cyclic number.

It is not a de Polignac number, because 200000211210197 - 2¹⁶ = 200000211144661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200000211210187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100000105605098 + 100000105605099.

It is an arithmetic number, because the mean of its divisors is an integer number (100000105605099).

Almost surely, 2^{200000211210197} is an apocalyptic number.

It is an amenable number.

200000211210197 is a deficient number, since it is larger than the sum of its proper divisors (1).

200000211210197 is an equidigital number, since it uses as much as digits as its factorization.

200000211210197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 26.

Adding to 200000211210197 its reverse (791012112000002), we get a palindrome (991012323210199).

The spelling of 200000211210197 in words is "two hundred trillion, two hundred eleven million, two hundred ten thousand, one hundred ninety-seven".