102010211222197 has 2 divisors, whose sum is σ = 102010211222198. Its totient is φ = 102010211222196.

The previous prime is 102010211222173. The next prime is 102010211222281. The reversal of 102010211222197 is 791222112010201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101881043580996 + 129167641201 = 10093614^2 + 359399^2 .

It is an emirp because it is prime and its reverse (791222112010201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102010211222197 - 2³⁹ = 101460455408309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102010211222597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51005105611098 + 51005105611099.

It is an arithmetic number, because the mean of its divisors is an integer number (51005105611099).

Almost surely, 2^{102010211222197} is an apocalyptic number.

It is an amenable number.

102010211222197 is a deficient number, since it is larger than the sum of its proper divisors (1).

102010211222197 is an equidigital number, since it uses as much as digits as its factorization.

102010211222197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 31.

Adding to 102010211222197 its reverse (791222112010201), we get a palindrome (893232323232398).

The spelling of 102010211222197 in words is "one hundred two trillion, ten billion, two hundred eleven million, two hundred twenty-two thousand, one hundred ninety-seven".