2243121211 has 2 divisors, whose sum is σ = 2243121212. Its totient is φ = 2243121210.

The previous prime is 2243121163. The next prime is 2243121229. The reversal of 2243121211 is 1121213422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2243121211 - 2¹¹ = 2243119163 is a prime.

It is not a weakly prime, because it can be changed into another prime (2243121011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121560605 + 1121560606.

It is an arithmetic number, because the mean of its divisors is an integer number (1121560606).

Almost surely, 2^2243121211 is an apocalyptic number.

2243121211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243121211 is an equidigital number, since it uses as much as digits as its factorization.

2243121211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192, while the sum is 19.

The square root of 2243121211 is about 47361.6005958414. The cubic root of 2243121211 is about 1309.0339615614.

Adding to 2243121211 its reverse (1121213422), we get a palindrome (3364334633).

The spelling of 2243121211 in words is "two billion, two hundred forty-three million, one hundred twenty-one thousand, two hundred eleven".