102000210197 has 2 divisors, whose sum is σ = 102000210198. Its totient is φ = 102000210196.

The previous prime is 102000210167. The next prime is 102000210211. The reversal of 102000210197 is 791012000201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101812684561 + 187525636 = 319081^2 + 13694^2 .

It is a cyclic number.

It is not a de Polignac number, because 102000210197 - 2⁶ = 102000210133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102000210127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51000105098 + 51000105099.

It is an arithmetic number, because the mean of its divisors is an integer number (51000105099).

Almost surely, 2^102000210197 is an apocalyptic number.

It is an amenable number.

102000210197 is a deficient number, since it is larger than the sum of its proper divisors (1).

102000210197 is an equidigital number, since it uses as much as digits as its factorization.

102000210197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 23.

Adding to 102000210197 its reverse (791012000201), we get a palindrome (893012210398).

The spelling of 102000210197 in words is "one hundred two billion, two hundred ten thousand, one hundred ninety-seven".