221213010230 has 24 divisors (see below), whose sum is σ = 407658882672. Its totient is φ = 86427401424.

The previous prime is 221213010197. The next prime is 221213010281. The reversal of 221213010230 is 32010312122.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 221213010199 and 221213010208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5963474 + ... + 6000453.

It is an arithmetic number, because the mean of its divisors is an integer number (16985786778).

Almost surely, 2^221213010230 is an apocalyptic number.

221213010230 is a deficient number, since it is larger than the sum of its proper divisors (186445872442).

221213010230 is a wasteful number, since it uses less digits than its factorization.

221213010230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11964020 (or 11963977 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 221213010230 its reverse (32010312122), we get a palindrome (253223322352).

The spelling of 221213010230 in words is "two hundred twenty-one billion, two hundred thirteen million, ten thousand, two hundred thirty".