222124212321 has 8 divisors (see below), whose sum is σ = 323089763424. Its totient is φ = 134620734720.

The previous prime is 222124212283. The next prime is 222124212377. The reversal of 222124212321 is 123212421222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 222124212321 - 2⁶ = 222124212257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222124212291 and 222124212300.

It is not an unprimeable number, because it can be changed into a prime (222124212221) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3365518336 + ... + 3365518401.

It is an arithmetic number, because the mean of its divisors is an integer number (40386220428).

Almost surely, 2^222124212321 is an apocalyptic number.

It is an amenable number.

222124212321 is a deficient number, since it is larger than the sum of its proper divisors (100965551103).

222124212321 is a wasteful number, since it uses less digits than its factorization.

222124212321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6731036751.

The product of its digits is 1536, while the sum is 24.

Adding to 222124212321 its reverse (123212421222), we get a palindrome (345336633543).

The spelling of 222124212321 in words is "two hundred twenty-two billion, one hundred twenty-four million, two hundred twelve thousand, three hundred twenty-one".