211202002211117 has 2 divisors, whose sum is σ = 211202002211118. Its totient is φ = 211202002211116.

The previous prime is 211202002211023. The next prime is 211202002211119. The reversal of 211202002211117 is 711112200202112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210205371368521 + 996630842596 = 14498461^2 + 998314^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211202002211117 is a prime.

Together with 211202002211119, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 211202002211092 and 211202002211101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211202002211119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105601001105558 + 105601001105559.

It is an arithmetic number, because the mean of its divisors is an integer number (105601001105559).

Almost surely, 2^{211202002211117} is an apocalyptic number.

It is an amenable number.

211202002211117 is a deficient number, since it is larger than the sum of its proper divisors (1).

211202002211117 is an equidigital number, since it uses as much as digits as its factorization.

211202002211117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 23.

Adding to 211202002211117 its reverse (711112200202112), we get a palindrome (922314202413229).

The spelling of 211202002211117 in words is "two hundred eleven trillion, two hundred two billion, two million, two hundred eleven thousand, one hundred seventeen".