222120302321 has 8 divisors (see below), whose sum is σ = 222322091904. Its totient is φ = 221918586160.

The previous prime is 222120302311. The next prime is 222120302323. The reversal of 222120302321 is 123203021222.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222120302321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222120302293 and 222120302302.

It is not an unprimeable number, because it can be changed into a prime (222120302323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7317251 + ... + 7347543.

It is an arithmetic number, because the mean of its divisors is an integer number (27790261488).

Almost surely, 2^222120302321 is an apocalyptic number.

It is an amenable number.

222120302321 is a deficient number, since it is larger than the sum of its proper divisors (201789583).

222120302321 is a wasteful number, since it uses less digits than its factorization.

222120302321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36711.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 222120302321 its reverse (123203021222), we get a palindrome (345323323543).

The spelling of 222120302321 in words is "two hundred twenty-two billion, one hundred twenty million, three hundred two thousand, three hundred twenty-one".