201102020110217 has 2 divisors, whose sum is σ = 201102020110218. Its totient is φ = 201102020110216.

The previous prime is 201102020110183. The next prime is 201102020110349. The reversal of 201102020110217 is 712011020201102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152891716473721 + 48210303636496 = 12364939^2 + 6943364^2 .

It is a cyclic number.

It is not a de Polignac number, because 201102020110217 - 2²⁶ = 201101953001353 is a prime.

It is not a weakly prime, because it can be changed into another prime (201102029110217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100551010055108 + 100551010055109.

It is an arithmetic number, because the mean of its divisors is an integer number (100551010055109).

Almost surely, 2^{201102020110217} is an apocalyptic number.

It is an amenable number.

201102020110217 is a deficient number, since it is larger than the sum of its proper divisors (1).

201102020110217 is an equidigital number, since it uses as much as digits as its factorization.

201102020110217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 201102020110217 its reverse (712011020201102), we get a palindrome (913113040311319).

The spelling of 201102020110217 in words is "two hundred one trillion, one hundred two billion, twenty million, one hundred ten thousand, two hundred seventeen".