210212101117 has 2 divisors, whose sum is σ = 210212101118. Its totient is φ = 210212101116.

The previous prime is 210212101093. The next prime is 210212101201. The reversal of 210212101117 is 711101212012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 167734478916 + 42477622201 = 409554^2 + 206101^2 .

It is a cyclic number.

It is not a de Polignac number, because 210212101117 - 2³¹ = 208064617469 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210212101094 and 210212101103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210212401117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105106050558 + 105106050559.

It is an arithmetic number, because the mean of its divisors is an integer number (105106050559).

Almost surely, 2^210212101117 is an apocalyptic number.

It is an amenable number.

210212101117 is a deficient number, since it is larger than the sum of its proper divisors (1).

210212101117 is an equidigital number, since it uses as much as digits as its factorization.

210212101117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 210212101117 its reverse (711101212012), we get a palindrome (921313313129).

The spelling of 210212101117 in words is "two hundred ten billion, two hundred twelve million, one hundred one thousand, one hundred seventeen".