210102212011 has 2 divisors, whose sum is σ = 210102212012. Its totient is φ = 210102212010.

The previous prime is 210102211981. The next prime is 210102212029. The reversal of 210102212011 is 110212201012.

210102212011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210102212011 - 2¹¹ = 210102209963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210102211982 and 210102212000.

It is not a weakly prime, because it can be changed into another prime (210102212071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105051106005 + 105051106006.

It is an arithmetic number, because the mean of its divisors is an integer number (105051106006).

Almost surely, 2^210102212011 is an apocalyptic number.

210102212011 is a deficient number, since it is larger than the sum of its proper divisors (1).

210102212011 is an equidigital number, since it uses as much as digits as its factorization.

210102212011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210102212011 its reverse (110212201012), we get a palindrome (320314413023).

The spelling of 210102212011 in words is "two hundred ten billion, one hundred two million, two hundred twelve thousand, eleven".