12211033441 has 2 divisors, whose sum is σ = 12211033442. Its totient is φ = 12211033440.

The previous prime is 12211033357. The next prime is 12211033453. The reversal of 12211033441 is 14433011221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8849353041 + 3361680400 = 94071^2 + 57980^2 .

It is a cyclic number.

It is not a de Polignac number, because 12211033441 - 2⁷ = 12211033313 is a prime.

It is not a weakly prime, because it can be changed into another prime (12211033841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105516720 + 6105516721.

It is an arithmetic number, because the mean of its divisors is an integer number (6105516721).

Almost surely, 2^12211033441 is an apocalyptic number.

It is an amenable number.

12211033441 is a deficient number, since it is larger than the sum of its proper divisors (1).

12211033441 is an equidigital number, since it uses as much as digits as its factorization.

12211033441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12211033441 its reverse (14433011221), we get a palindrome (26644044662).

It can be divided in two parts, 122110 and 33441, that added together give a palindrome (155551).

The spelling of 12211033441 in words is "twelve billion, two hundred eleven million, thirty-three thousand, four hundred forty-one".