212201100071 has 2 divisors, whose sum is σ = 212201100072. Its totient is φ = 212201100070.

The previous prime is 212201100011. The next prime is 212201100113. The reversal of 212201100071 is 170001102212.

212201100071 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 a de Polignac number, because none of the positive numbers 2^k-212201100071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212201100011) 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, 106100550035 + 106100550036.

It is an arithmetic number, because the mean of its divisors is an integer number (106100550036).

Almost surely, 2^212201100071 is an apocalyptic number.

212201100071 is a deficient number, since it is larger than the sum of its proper divisors (1).

212201100071 is an equidigital number, since it uses as much as digits as its factorization.

212201100071 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 17.

Adding to 212201100071 its reverse (170001102212), we get a palindrome (382202202283).

The spelling of 212201100071 in words is "two hundred twelve billion, two hundred one million, one hundred thousand, seventy-one".