211223303203 has 12 divisors (see below), whose sum is σ = 236182650984. Its totient is φ = 187337724800.

The previous prime is 211223303201. The next prime is 211223303227. The reversal of 211223303203 is 302303322112.

211223303203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 211223303203 - 2¹ = 211223303201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211223303201) 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 11 ways as a sum of consecutive naturals, for example, 5693026 + ... + 5730007.

It is an arithmetic number, because the mean of its divisors is an integer number (19681887582).

Almost surely, 2^211223303203 is an apocalyptic number.

211223303203 is a deficient number, since it is larger than the sum of its proper divisors (24959347781).

211223303203 is a wasteful number, since it uses less digits than its factorization.

211223303203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11423126 (or 11423085 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 211223303203 its reverse (302303322112), we get a palindrome (513526625315).

The spelling of 211223303203 in words is "two hundred eleven billion, two hundred twenty-three million, three hundred three thousand, two hundred three".