211223310003 has 12 divisors (see below), whose sum is σ = 305250881208. Its totient is φ = 140746057920.

The previous prime is 211223309981. The next prime is 211223310007. The reversal of 211223310003 is 300013322112.

It is not a de Polignac number, because 211223310003 - 2⁸ = 211223309747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211223310007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5770918 + ... + 5807403.

It is an arithmetic number, because the mean of its divisors is an integer number (25437573434).

Almost surely, 2^211223310003 is an apocalyptic number.

211223310003 is a deficient number, since it is larger than the sum of its proper divisors (94027571205).

211223310003 is a wasteful number, since it uses less digits than its factorization.

211223310003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11580354 (or 11580351 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 211223310003 its reverse (300013322112), we get a palindrome (511236632115).

The spelling of 211223310003 in words is "two hundred eleven billion, two hundred twenty-three million, three hundred ten thousand, three".