222221121000223 has 2 divisors, whose sum is σ = 222221121000224. Its totient is φ = 222221121000222.

The previous prime is 222221121000209. The next prime is 222221121000247. The reversal of 222221121000223 is 322000121122222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222221121000223 - 2⁵ = 222221121000191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222221121000194 and 222221121000203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222221121000293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111110560500111 + 111110560500112.

It is an arithmetic number, because the mean of its divisors is an integer number (111110560500112).

Almost surely, 2^{222221121000223} is an apocalyptic number.

222221121000223 is a deficient number, since it is larger than the sum of its proper divisors (1).

222221121000223 is an equidigital number, since it uses as much as digits as its factorization.

222221121000223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 222221121000223 its reverse (322000121122222), we get a palindrome (544221242122445).

The spelling of 222221121000223 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, one hundred twenty-one million, two hundred twenty-three", and thus it is an aban number.