102240010217 has 2 divisors, whose sum is σ = 102240010218. Its totient is φ = 102240010216.

The previous prime is 102240010207. The next prime is 102240010237. The reversal of 102240010217 is 712010042201.

It is an a-pointer prime, because the next prime (102240010237) can be obtained adding 102240010217 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99083930176 + 3156080041 = 314776^2 + 56179^2 .

It is a cyclic number.

It is not a de Polignac number, because 102240010217 - 2¹⁸ = 102239748073 is a prime.

It is not a weakly prime, because it can be changed into another prime (102240010207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51120005108 + 51120005109.

It is an arithmetic number, because the mean of its divisors is an integer number (51120005109).

Almost surely, 2^102240010217 is an apocalyptic number.

It is an amenable number.

102240010217 is a deficient number, since it is larger than the sum of its proper divisors (1).

102240010217 is an equidigital number, since it uses as much as digits as its factorization.

102240010217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 102240010217 its reverse (712010042201), we get a palindrome (814250052418).

The spelling of 102240010217 in words is "one hundred two billion, two hundred forty million, ten thousand, two hundred seventeen".