211323233311 has 2 divisors, whose sum is σ = 211323233312. Its totient is φ = 211323233310.

The previous prime is 211323233299. The next prime is 211323233339. The reversal of 211323233311 is 113332323112.

211323233311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211323233311 - 2⁵ = 211323233279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211333233311) 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, 105661616655 + 105661616656.

It is an arithmetic number, because the mean of its divisors is an integer number (105661616656).

Almost surely, 2^211323233311 is an apocalyptic number.

211323233311 is a deficient number, since it is larger than the sum of its proper divisors (1).

211323233311 is an equidigital number, since it uses as much as digits as its factorization.

211323233311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 25.

Adding to 211323233311 its reverse (113332323112), we get a palindrome (324655556423).

The spelling of 211323233311 in words is "two hundred eleven billion, three hundred twenty-three million, two hundred thirty-three thousand, three hundred eleven".