222222020201 has 2 divisors, whose sum is σ = 222222020202. Its totient is φ = 222222020200.

The previous prime is 222222020179. The next prime is 222222020203. The reversal of 222222020201 is 102020222222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123060640000 + 99161380201 = 350800^2 + 314899^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222222020201 is a prime.

Together with 222222020203, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222222020201.

It is not a weakly prime, because it can be changed into another prime (222222020203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111111010100 + 111111010101.

It is an arithmetic number, because the mean of its divisors is an integer number (111111010101).

Almost surely, 2^222222020201 is an apocalyptic number.

It is an amenable number.

222222020201 is a deficient number, since it is larger than the sum of its proper divisors (1).

222222020201 is an equidigital number, since it uses as much as digits as its factorization.

222222020201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 222222020201 its reverse (102020222222), we get a palindrome (324242242423).

The spelling of 222222020201 in words is "two hundred twenty-two billion, two hundred twenty-two million, twenty thousand, two hundred one".