210011223 has 16 divisors (see below), whose sum is σ = 289199456. Its totient is φ = 135457920.

The previous prime is 210011203. The next prime is 210011231. The reversal of 210011223 is 322110012.

It is not a de Polignac number, because 210011223 - 2⁸ = 210010967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210011199 and 210011208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210011203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14865 + ... + 25317.

It is an arithmetic number, because the mean of its divisors is an integer number (18074966).

Almost surely, 2^210011223 is an apocalyptic number.

210011223 is a deficient number, since it is larger than the sum of its proper divisors (79188233).

210011223 is a wasteful number, since it uses less digits than its factorization.

210011223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10674.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 210011223 is about 14491.7639713045. The cubic root of 210011223 is about 594.4027837601.

Adding to 210011223 its reverse (322110012), we get a palindrome (532121235).

The spelling of 210011223 in words is "two hundred ten million, eleven thousand, two hundred twenty-three".