221130230211 has 24 divisors (see below), whose sum is σ = 366786987840. Its totient is φ = 126964724400.

The previous prime is 221130230143. The next prime is 221130230219. The reversal of 221130230211 is 112032031122.

221130230211 is a `hidden beast` number, since 221 + 1 + 3 + 0 + 230 + 211 = 666.

It is not a de Polignac number, because 221130230211 - 2¹⁴ = 221130213827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221130230219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58778085 + ... + 58781846.

It is an arithmetic number, because the mean of its divisors is an integer number (15282791160).

Almost surely, 2^221130230211 is an apocalyptic number.

221130230211 is a deficient number, since it is larger than the sum of its proper divisors (145656757629).

221130230211 is a wasteful number, since it uses less digits than its factorization.

221130230211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117559967 (or 117559964 counting only the distinct ones).

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

Adding to 221130230211 its reverse (112032031122), we get a palindrome (333162261333).

The spelling of 221130230211 in words is "two hundred twenty-one billion, one hundred thirty million, two hundred thirty thousand, two hundred eleven".