102110202197 has 2 divisors, whose sum is σ = 102110202198. Its totient is φ = 102110202196.

The previous prime is 102110202193. The next prime is 102110202251. The reversal of 102110202197 is 791202011201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99932486641 + 2177715556 = 316121^2 + 46666^2 .

It is a cyclic number.

It is not a de Polignac number, because 102110202197 - 2² = 102110202193 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102110202193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51055101098 + 51055101099.

It is an arithmetic number, because the mean of its divisors is an integer number (51055101099).

Almost surely, 2^102110202197 is an apocalyptic number.

It is an amenable number.

102110202197 is a deficient number, since it is larger than the sum of its proper divisors (1).

102110202197 is an equidigital number, since it uses as much as digits as its factorization.

102110202197 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 102110202197 its reverse (791202011201), we get a palindrome (893312213398).

The spelling of 102110202197 in words is "one hundred two billion, one hundred ten million, two hundred two thousand, one hundred ninety-seven".