102112200000197 has 2 divisors, whose sum is σ = 102112200000198. Its totient is φ = 102112200000196.

The previous prime is 102112200000091. The next prime is 102112200000203. The reversal of 102112200000197 is 791000002211201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78033884675041 + 24078315325156 = 8833679^2 + 4906966^2 .

It is a cyclic number.

It is not a de Polignac number, because 102112200000197 - 2¹² = 102112199996101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102112200006197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51056100000098 + 51056100000099.

It is an arithmetic number, because the mean of its divisors is an integer number (51056100000099).

Almost surely, 2^{102112200000197} is an apocalyptic number.

It is an amenable number.

102112200000197 is a deficient number, since it is larger than the sum of its proper divisors (1).

102112200000197 is an equidigital number, since it uses as much as digits as its factorization.

102112200000197 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 102112200000197 its reverse (791000002211201), we get a palindrome (893112202211398).

The spelling of 102112200000197 in words is "one hundred two trillion, one hundred twelve billion, two hundred million, one hundred ninety-seven", and thus it is an aban number.