102102201210197 has 2 divisors, whose sum is σ = 102102201210198. Its totient is φ = 102102201210196.

The previous prime is 102102201210161. The next prime is 102102201210211. The reversal of 102102201210197 is 791012102201201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90999217501201 + 11102983708996 = 9539351^2 + 3332114^2 .

It is a cyclic number.

It is not a de Polignac number, because 102102201210197 - 2¹⁸ = 102102200948053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102102201210697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51051100605098 + 51051100605099.

It is an arithmetic number, because the mean of its divisors is an integer number (51051100605099).

Almost surely, 2^{102102201210197} is an apocalyptic number.

It is an amenable number.

102102201210197 is a deficient number, since it is larger than the sum of its proper divisors (1).

102102201210197 is an equidigital number, since it uses as much as digits as its factorization.

102102201210197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 29.

Adding to 102102201210197 its reverse (791012102201201), we get a palindrome (893114303411398).

The spelling of 102102201210197 in words is "one hundred two trillion, one hundred two billion, two hundred one million, two hundred ten thousand, one hundred ninety-seven".