222111211241 has 2 divisors, whose sum is σ = 222111211242. Its totient is φ = 222111211240.

The previous prime is 222111211219. The next prime is 222111211247. The reversal of 222111211241 is 142112111222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221257344400 + 853866841 = 470380^2 + 29221^2 .

It is a cyclic number.

It is not a de Polignac number, because 222111211241 - 2⁶ = 222111211177 is a prime.

It is not a weakly prime, because it can be changed into another prime (222111211247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111055605620 + 111055605621.

It is an arithmetic number, because the mean of its divisors is an integer number (111055605621).

Almost surely, 2^222111211241 is an apocalyptic number.

It is an amenable number.

222111211241 is a deficient number, since it is larger than the sum of its proper divisors (1).

222111211241 is an equidigital number, since it uses as much as digits as its factorization.

222111211241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 128, while the sum is 20.

Adding to 222111211241 its reverse (142112111222), we get a palindrome (364223322463).

The spelling of 222111211241 in words is "two hundred twenty-two billion, one hundred eleven million, two hundred eleven thousand, two hundred forty-one".