200102102010197 has 2 divisors, whose sum is σ = 200102102010198. Its totient is φ = 200102102010196.

The previous prime is 200102102010143. The next prime is 200102102010241. The reversal of 200102102010197 is 791010201201002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121767671755921 + 78334430254276 = 11034839^2 + 8850674^2 .

It is a cyclic number.

It is not a de Polignac number, because 200102102010197 - 2⁸ = 200102102009941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200102102010697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100051051005098 + 100051051005099.

It is an arithmetic number, because the mean of its divisors is an integer number (100051051005099).

Almost surely, 2^{200102102010197} is an apocalyptic number.

It is an amenable number.

200102102010197 is a deficient number, since it is larger than the sum of its proper divisors (1).

200102102010197 is an equidigital number, since it uses as much as digits as its factorization.

200102102010197 is an odious number, because the sum of its binary digits is odd.

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

Adding to 200102102010197 its reverse (791010201201002), we get a palindrome (991112303211199).

The spelling of 200102102010197 in words is "two hundred trillion, one hundred two billion, one hundred two million, ten thousand, one hundred ninety-seven".