11321133211211 has 2 divisors, whose sum is σ = 11321133211212. Its totient is φ = 11321133211210.

The previous prime is 11321133211183. The next prime is 11321133211247. The reversal of 11321133211211 is 11211233112311.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11321133211211 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11321133211261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660566605605 + 5660566605606.

It is an arithmetic number, because the mean of its divisors is an integer number (5660566605606).

Almost surely, 2^{11321133211211} is an apocalyptic number.

11321133211211 is a deficient number, since it is larger than the sum of its proper divisors (1).

11321133211211 is an equidigital number, since it uses as much as digits as its factorization.

11321133211211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 23.

Adding to 11321133211211 its reverse (11211233112311), we get a palindrome (22532366323522).

The spelling of 11321133211211 in words is "eleven trillion, three hundred twenty-one billion, one hundred thirty-three million, two hundred eleven thousand, two hundred eleven".