210002112020117 has 2 divisors, whose sum is σ = 210002112020118. Its totient is φ = 210002112020116.

The previous prime is 210002112020101. The next prime is 210002112020287. The reversal of 210002112020117 is 711020211200012.

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., 182058053566321 + 27944058453796 = 13492889^2 + 5286214^2 .

It is a cyclic number.

It is not a de Polignac number, because 210002112020117 - 2⁴ = 210002112020101 is a prime.

It is a super-2 number, since 2×210002112020117² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210002112020417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105001056010058 + 105001056010059.

It is an arithmetic number, because the mean of its divisors is an integer number (105001056010059).

Almost surely, 2^{210002112020117} is an apocalyptic number.

It is an amenable number.

210002112020117 is a deficient number, since it is larger than the sum of its proper divisors (1).

210002112020117 is an equidigital number, since it uses as much as digits as its factorization.

210002112020117 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 20.

Adding to 210002112020117 its reverse (711020211200012), we get a palindrome (921022323220129).

The spelling of 210002112020117 in words is "two hundred ten trillion, two billion, one hundred twelve million, twenty thousand, one hundred seventeen".