223011203211 has 28 divisors (see below), whose sum is σ = 345149813440. Its totient is φ = 143878181040.

The previous prime is 223011203201. The next prime is 223011203237. The reversal of 223011203211 is 112302110322.

223011203211 is a `hidden beast` number, since 2 + 230 + 112 + 0 + 321 + 1 = 666.

It is not a de Polignac number, because 223011203211 - 2²⁵ = 222977648779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223011203201) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 4911496 + ... + 4956693.

Almost surely, 2^223011203211 is an apocalyptic number.

223011203211 is a deficient number, since it is larger than the sum of its proper divisors (122138610229).

223011203211 is an frugal number, since it uses more digits than its factorization.

223011203211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9868238 (or 9868223 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 223011203211 its reverse (112302110322), we get a palindrome (335313313533).

The spelling of 223011203211 in words is "two hundred twenty-three billion, eleven million, two hundred three thousand, two hundred eleven".