211303113311 has 16 divisors (see below), whose sum is σ = 218869734720. Its totient is φ = 203857102080.

The previous prime is 211303113299. The next prime is 211303113331. The reversal of 211303113311 is 113311303112.

211303113311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 211303113311 - 2⁶ = 211303113247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211303113331) 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 in 15 ways as a sum of consecutive naturals, for example, 2958821 + ... + 3029393.

It is an arithmetic number, because the mean of its divisors is an integer number (13679358420).

Almost surely, 2^211303113311 is an apocalyptic number.

211303113311 is a deficient number, since it is larger than the sum of its proper divisors (7566621409).

211303113311 is a wasteful number, since it uses less digits than its factorization.

211303113311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71426.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 211303113311 its reverse (113311303112), we get a palindrome (324614416423).

The spelling of 211303113311 in words is "two hundred eleven billion, three hundred three million, one hundred thirteen thousand, three hundred eleven".