11310104223221 has 2 divisors, whose sum is σ = 11310104223222. Its totient is φ = 11310104223220.

The previous prime is 11310104223179. The next prime is 11310104223317. The reversal of 11310104223221 is 12232240101311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10029166936996 + 1280937286225 = 3166886^2 + 1131785^2 .

It is a cyclic number.

It is not a de Polignac number, because 11310104223221 - 2¹⁸ = 11310103961077 is a prime.

It is a super-3 number, since 3×11310104223221³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11310104223421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5655052111610 + 5655052111611.

It is an arithmetic number, because the mean of its divisors is an integer number (5655052111611).

Almost surely, 2^{11310104223221} is an apocalyptic number.

It is an amenable number.

11310104223221 is a deficient number, since it is larger than the sum of its proper divisors (1).

11310104223221 is an equidigital number, since it uses as much as digits as its factorization.

11310104223221 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 23.

Adding to 11310104223221 its reverse (12232240101311), we get a palindrome (23542344324532).

The spelling of 11310104223221 in words is "eleven trillion, three hundred ten billion, one hundred four million, two hundred twenty-three thousand, two hundred twenty-one".