212211120220241 has 2 divisors, whose sum is σ = 212211120220242. Its totient is φ = 212211120220240.

The previous prime is 212211120220237. The next prime is 212211120220399. The reversal of 212211120220241 is 142022021112212.

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., 206810399857216 + 5400720363025 = 14380904^2 + 2323945^2 .

It is a cyclic number.

It is not a de Polignac number, because 212211120220241 - 2² = 212211120220237 is a prime.

It is not a weakly prime, because it can be changed into another prime (212211120420241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106105560110120 + 106105560110121.

It is an arithmetic number, because the mean of its divisors is an integer number (106105560110121).

Almost surely, 2^{212211120220241} is an apocalyptic number.

It is an amenable number.

212211120220241 is a deficient number, since it is larger than the sum of its proper divisors (1).

212211120220241 is an equidigital number, since it uses as much as digits as its factorization.

212211120220241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 212211120220241 its reverse (142022021112212), we get a palindrome (354233141332453).

The spelling of 212211120220241 in words is "two hundred twelve trillion, two hundred eleven billion, one hundred twenty million, two hundred twenty thousand, two hundred forty-one".