221324123230 has 32 divisors (see below), whose sum is σ = 455318014464. Its totient is φ = 75878777376.

The previous prime is 221324123221. The next prime is 221324123233. The reversal of 221324123230 is 32321423122.

It is a junction number, because it is equal to n+sod(n) for n = 221324123195 and 221324123204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221324123233) 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, 1586689 + ... + 1720531.

It is an arithmetic number, because the mean of its divisors is an integer number (14228687952).

Almost surely, 2^221324123230 is an apocalyptic number.

221324123230 is an abundant number, since it is smaller than the sum of its proper divisors (233993891234).

221324123230 is a wasteful number, since it uses less digits than its factorization.

221324123230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157480.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 221324123230 its reverse (32321423122), we get a palindrome (253645546352).

The spelling of 221324123230 in words is "two hundred twenty-one billion, three hundred twenty-four million, one hundred twenty-three thousand, two hundred thirty".