222023120321 has 2 divisors, whose sum is σ = 222023120322. Its totient is φ = 222023120320.

The previous prime is 222023120287. The next prime is 222023120327. The reversal of 222023120321 is 123021320222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123314047921 + 98709072400 = 351161^2 + 314180^2 .

It is a cyclic number.

It is not a de Polignac number, because 222023120321 - 2⁶ = 222023120257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222023120293 and 222023120302.

It is not a weakly prime, because it can be changed into another prime (222023120327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111011560160 + 111011560161.

It is an arithmetic number, because the mean of its divisors is an integer number (111011560161).

Almost surely, 2^222023120321 is an apocalyptic number.

It is an amenable number.

222023120321 is a deficient number, since it is larger than the sum of its proper divisors (1).

222023120321 is an equidigital number, since it uses as much as digits as its factorization.

222023120321 is an evil number, because the sum of its binary digits is even.

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

Adding to 222023120321 its reverse (123021320222), we get a palindrome (345044440543).

The spelling of 222023120321 in words is "two hundred twenty-two billion, twenty-three million, one hundred twenty thousand, three hundred twenty-one".