22201110223321 has 2 divisors, whose sum is σ = 22201110223322. Its totient is φ = 22201110223320.

The previous prime is 22201110223319. The next prime is 22201110223343. The reversal of 22201110223321 is 12332201110222.

It is an a-pointer prime, because the next prime (22201110223343) can be obtained adding 22201110223321 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13344153291225 + 8856956932096 = 3652965^2 + 2976064^2 .

It is a cyclic number.

It is not a de Polignac number, because 22201110223321 - 2¹ = 22201110223319 is a prime.

Together with 22201110223319, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 22201110223292 and 22201110223301.

It is not a weakly prime, because it can be changed into another prime (22201110223301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100555111660 + 11100555111661.

It is an arithmetic number, because the mean of its divisors is an integer number (11100555111661).

Almost surely, 2^{22201110223321} is an apocalyptic number.

It is an amenable number.

22201110223321 is a deficient number, since it is larger than the sum of its proper divisors (1).

22201110223321 is an equidigital number, since it uses as much as digits as its factorization.

22201110223321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 22201110223321 its reverse (12332201110222), we get a palindrome (34533311333543).

The spelling of 22201110223321 in words is "twenty-two trillion, two hundred one billion, one hundred ten million, two hundred twenty-three thousand, three hundred twenty-one".