202111300217 has 2 divisors, whose sum is σ = 202111300218. Its totient is φ = 202111300216.

The previous prime is 202111300151. The next prime is 202111300219. The reversal of 202111300217 is 712003111202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127789090576 + 74322209641 = 357476^2 + 272621^2 .

It is a cyclic number.

It is not a de Polignac number, because 202111300217 - 2⁸ = 202111299961 is a prime.

Together with 202111300219, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (202111300219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101055650108 + 101055650109.

It is an arithmetic number, because the mean of its divisors is an integer number (101055650109).

Almost surely, 2^202111300217 is an apocalyptic number.

It is an amenable number.

202111300217 is a deficient number, since it is larger than the sum of its proper divisors (1).

202111300217 is an equidigital number, since it uses as much as digits as its factorization.

202111300217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 20.

Adding to 202111300217 its reverse (712003111202), we get a palindrome (914114411419).

The spelling of 202111300217 in words is "two hundred two billion, one hundred eleven million, three hundred thousand, two hundred seventeen".