1122001211 has 2 divisors, whose sum is σ = 1122001212. Its totient is φ = 1122001210.

The previous prime is 1122001183. The next prime is 1122001217. The reversal of 1122001211 is 1121002211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122001211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1122001192 and 1122001201.

It is not a weakly prime, because it can be changed into another prime (1122001217) 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, 561000605 + 561000606.

It is an arithmetic number, because the mean of its divisors is an integer number (561000606).

Almost surely, 2^1122001211 is an apocalyptic number.

1122001211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122001211 is an equidigital number, since it uses as much as digits as its factorization.

1122001211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1122001211 is about 33496.2865255240. The cubic root of 1122001211 is about 1039.1169806929.

Adding to 1122001211 its reverse (1121002211), we get a palindrome (2243003422).

The spelling of 1122001211 in words is "one billion, one hundred twenty-two million, one thousand, two hundred eleven".