211303303113 has 32 divisors (see below), whose sum is σ = 336831609600. Its totient is φ = 115271202816.

The previous prime is 211303303097. The next prime is 211303303117. The reversal of 211303303113 is 311303303112.

It is not a de Polignac number, because 211303303113 - 2⁴ = 211303303097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 211303303113.

It is not an unprimeable number, because it can be changed into a prime (211303303117) 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 31 ways as a sum of consecutive naturals, for example, 1895056 + ... + 2003457.

It is an arithmetic number, because the mean of its divisors is an integer number (10525987800).

Almost surely, 2^211303303113 is an apocalyptic number.

It is an amenable number.

211303303113 is a deficient number, since it is larger than the sum of its proper divisors (125528306487).

211303303113 is a wasteful number, since it uses less digits than its factorization.

211303303113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3898641.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 211303303113 its reverse (311303303112), we get a palindrome (522606606225).

Subtracting 211303303113 from its reverse (311303303112), we obtain a palindrome (99999999999).

The spelling of 211303303113 in words is "two hundred eleven billion, three hundred three million, three hundred three thousand, one hundred thirteen".