222121123230 has 64 divisors (see below), whose sum is σ = 538618893120. Its totient is φ = 58619344896.

The previous prime is 222121123223. The next prime is 222121123253. The reversal of 222121123230 is 32321121222.

It is a junction number, because it is equal to n+sod(n) for n = 222121123197 and 222121123206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2749494 + ... + 2829126.

It is an arithmetic number, because the mean of its divisors is an integer number (8415920205).

Almost surely, 2^222121123230 is an apocalyptic number.

222121123230 is an abundant number, since it is smaller than the sum of its proper divisors (316497769890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222121123230 is a wasteful number, since it uses less digits than its factorization.

222121123230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80605.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 222121123230 its reverse (32321121222), we get a palindrome (254442244452).

The spelling of 222121123230 in words is "two hundred twenty-two billion, one hundred twenty-one million, one hundred twenty-three thousand, two hundred thirty".