211133321311 has 16 divisors (see below), whose sum is σ = 242975779200. Its totient is φ = 181442786400.

The previous prime is 211133321291. The next prime is 211133321317. The reversal of 211133321311 is 113123331112.

It is a cyclic number.

It is not a de Polignac number, because 211133321311 - 2¹¹ = 211133319263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211133321317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 999321 + ... + 1192018.

It is an arithmetic number, because the mean of its divisors is an integer number (15185986200).

Almost surely, 2^211133321311 is an apocalyptic number.

211133321311 is a deficient number, since it is larger than the sum of its proper divisors (31842457889).

211133321311 is a wasteful number, since it uses less digits than its factorization.

211133321311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2191830.

The product of its digits is 324, while the sum is 22.

Adding to 211133321311 its reverse (113123331112), we get a palindrome (324256652423).

The spelling of 211133321311 in words is "two hundred eleven billion, one hundred thirty-three million, three hundred twenty-one thousand, three hundred eleven".