1222231003321 has 2 divisors, whose sum is σ = 1222231003322. Its totient is φ = 1222231003320.

The previous prime is 1222231003289. The next prime is 1222231003333. The reversal of 1222231003321 is 1233001322221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1179317809296 + 42913194025 = 1085964^2 + 207155^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222231003321 - 2⁵ = 1222231003289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222231003292 and 1222231003301.

It is not a weakly prime, because it can be changed into another prime (1222231003351) 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 as a sum of consecutive naturals, namely, 611115501660 + 611115501661.

It is an arithmetic number, because the mean of its divisors is an integer number (611115501661).

Almost surely, 2^{1222231003321} is an apocalyptic number.

It is an amenable number.

1222231003321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222231003321 is an equidigital number, since it uses as much as digits as its factorization.

1222231003321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1222231003321 its reverse (1233001322221), we get a palindrome (2455232325542).

The spelling of 1222231003321 in words is "one trillion, two hundred twenty-two billion, two hundred thirty-one million, three thousand, three hundred twenty-one".