202201211243 has 2 divisors, whose sum is σ = 202201211244. Its totient is φ = 202201211242.

The previous prime is 202201211203. The next prime is 202201211279. The reversal of 202201211243 is 342112102202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202201211243 - 2¹⁰ = 202201210219 is a prime.

It is not a weakly prime, because it can be changed into another prime (202201211203) 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, 101100605621 + 101100605622.

It is an arithmetic number, because the mean of its divisors is an integer number (101100605622).

Almost surely, 2^202201211243 is an apocalyptic number.

202201211243 is a deficient number, since it is larger than the sum of its proper divisors (1).

202201211243 is an equidigital number, since it uses as much as digits as its factorization.

202201211243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 202201211243 its reverse (342112102202), we get a palindrome (544313313445).

The spelling of 202201211243 in words is "two hundred two billion, two hundred one million, two hundred eleven thousand, two hundred forty-three".