221013230211 has 16 divisors (see below), whose sum is σ = 328797004800. Its totient is φ = 146725654824.

The previous prime is 221013230177. The next prime is 221013230219. The reversal of 221013230211 is 112032310122.

221013230211 is a `hidden beast` number, since 2 + 210 + 13 + 230 + 211 = 666.

It is not a de Polignac number, because 221013230211 - 2³⁰ = 219939488387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221013230219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17118391 + ... + 17131296.

It is an arithmetic number, because the mean of its divisors is an integer number (20549812800).

Almost surely, 2^221013230211 is an apocalyptic number.

221013230211 is a deficient number, since it is larger than the sum of its proper divisors (107783774589).

221013230211 is a wasteful number, since it uses less digits than its factorization.

221013230211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34249935 (or 34249929 counting only the distinct ones).

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

Adding to 221013230211 its reverse (112032310122), we get a palindrome (333045540333).

The spelling of 221013230211 in words is "two hundred twenty-one billion, thirteen million, two hundred thirty thousand, two hundred eleven".