221113232330 has 16 divisors (see below), whose sum is σ = 398012715360. Its totient is φ = 88443315792.

The previous prime is 221113232281. The next prime is 221113232341. The reversal of 221113232330 is 33232311122.

It is a super-2 number, since 2×221113232330² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221113232296 and 221113232305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275117 + ... + 719663.

It is an arithmetic number, because the mean of its divisors is an integer number (24875794710).

Almost surely, 2^221113232330 is an apocalyptic number.

221113232330 is a deficient number, since it is larger than the sum of its proper divisors (176899483030).

221113232330 is a wasteful number, since it uses less digits than its factorization.

221113232330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494293.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 221113232330 its reverse (33232311122), we get a palindrome (254345543452).

The spelling of 221113232330 in words is "two hundred twenty-one billion, one hundred thirteen million, two hundred thirty-two thousand, three hundred thirty".