211401321303 has 16 divisors (see below), whose sum is σ = 285871063520. Its totient is φ = 138934808064.

The previous prime is 211401321301. The next prime is 211401321311. The reversal of 211401321303 is 303123104112.

It is not a de Polignac number, because 211401321303 - 2¹ = 211401321301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211401321303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211401321301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206475 + ... + 682227.

It is an arithmetic number, because the mean of its divisors is an integer number (17866941470).

Almost surely, 2^211401321303 is an apocalyptic number.

211401321303 is a deficient number, since it is larger than the sum of its proper divisors (74469742217).

211401321303 is a wasteful number, since it uses less digits than its factorization.

211401321303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477858.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 211401321303 its reverse (303123104112), we get a palindrome (514524425415).

The spelling of 211401321303 in words is "two hundred eleven billion, four hundred one million, three hundred twenty-one thousand, three hundred three".