102010122217 has 2 divisors, whose sum is σ = 102010122218. Its totient is φ = 102010122216.

The previous prime is 102010122199. The next prime is 102010122233. The reversal of 102010122217 is 712221010201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66658977856 + 35351144361 = 258184^2 + 188019^2 .

It is a cyclic number.

It is not a de Polignac number, because 102010122217 - 2¹⁹ = 102009597929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102010122194 and 102010122203.

It is not a weakly prime, because it can be changed into another prime (102010122287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51005061108 + 51005061109.

It is an arithmetic number, because the mean of its divisors is an integer number (51005061109).

Almost surely, 2^102010122217 is an apocalyptic number.

It is an amenable number.

102010122217 is a deficient number, since it is larger than the sum of its proper divisors (1).

102010122217 is an equidigital number, since it uses as much as digits as its factorization.

102010122217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 102010122217 its reverse (712221010201), we get a palindrome (814231132418).

The spelling of 102010122217 in words is "one hundred two billion, ten million, one hundred twenty-two thousand, two hundred seventeen".