212010201101117 has 2 divisors, whose sum is σ = 212010201101118. Its totient is φ = 212010201101116.

The previous prime is 212010201101113. The next prime is 212010201101131. The reversal of 212010201101117 is 711101102010212.

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., 128553736127716 + 83456464973401 = 11338154^2 + 9135451^2 .

It is a cyclic number.

It is not a de Polignac number, because 212010201101117 - 2² = 212010201101113 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212010201101113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106005100550558 + 106005100550559.

It is an arithmetic number, because the mean of its divisors is an integer number (106005100550559).

Almost surely, 2^{212010201101117} is an apocalyptic number.

It is an amenable number.

212010201101117 is a deficient number, since it is larger than the sum of its proper divisors (1).

212010201101117 is an equidigital number, since it uses as much as digits as its factorization.

212010201101117 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 20.

Adding to 212010201101117 its reverse (711101102010212), we get a palindrome (923111303111329).

The spelling of 212010201101117 in words is "two hundred twelve trillion, ten billion, two hundred one million, one hundred one thousand, one hundred seventeen".