1223304102221 has 8 divisors (see below), whose sum is σ = 1256899501080. Its totient is φ = 1189736762688.

The previous prime is 1223304102197. The next prime is 1223304102239. The reversal of 1223304102221 is 1222014033221.

It can be written as a sum of positive squares in 4 ways, for example, as 511423789321 + 711880312900 = 715139^2 + 843730^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1223304102221 - 2¹⁰ = 1223304101197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223304192221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6926426 + ... + 7100843.

It is an arithmetic number, because the mean of its divisors is an integer number (157112437635).

Almost surely, 2^{1223304102221} is an apocalyptic number.

It is an amenable number.

1223304102221 is a deficient number, since it is larger than the sum of its proper divisors (33595398859).

1223304102221 is a wasteful number, since it uses less digits than its factorization.

1223304102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14029663.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1223304102221 its reverse (1222014033221), we get a palindrome (2445318135442).

The spelling of 1223304102221 in words is "one trillion, two hundred twenty-three billion, three hundred four million, one hundred two thousand, two hundred twenty-one".