11421336211 has 2 divisors, whose sum is σ = 11421336212. Its totient is φ = 11421336210.

The previous prime is 11421336203. The next prime is 11421336233. The reversal of 11421336211 is 11263312411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11421336211 - 2³ = 11421336203 is a prime.

It is not a weakly prime, because it can be changed into another prime (11421336271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5710668105 + 5710668106.

It is an arithmetic number, because the mean of its divisors is an integer number (5710668106).

Almost surely, 2^11421336211 is an apocalyptic number.

11421336211 is a deficient number, since it is larger than the sum of its proper divisors (1).

11421336211 is an equidigital number, since it uses as much as digits as its factorization.

11421336211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 25.

Adding to 11421336211 its reverse (11263312411), we get a palindrome (22684648622).

The spelling of 11421336211 in words is "eleven billion, four hundred twenty-one million, three hundred thirty-six thousand, two hundred eleven".