212011100201 has 2 divisors, whose sum is σ = 212011100202. Its totient is φ = 212011100200.

The previous prime is 212011100167. The next prime is 212011100207. The reversal of 212011100201 is 102001110212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146477660176 + 65533440025 = 382724^2 + 255995^2 .

It is a cyclic number.

It is not a de Polignac number, because 212011100201 - 2²² = 212006905897 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (212011100207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106005550100 + 106005550101.

It is an arithmetic number, because the mean of its divisors is an integer number (106005550101).

Almost surely, 2^212011100201 is an apocalyptic number.

It is an amenable number.

212011100201 is a deficient number, since it is larger than the sum of its proper divisors (1).

212011100201 is an equidigital number, since it uses as much as digits as its factorization.

212011100201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 212011100201 its reverse (102001110212), we get a palindrome (314012210413).

The spelling of 212011100201 in words is "two hundred twelve billion, eleven million, one hundred thousand, two hundred one".