13223300103221 has 12 divisors (see below), whose sum is σ = 14318937988740. Its totient is φ = 12205938551040.

The previous prime is 13223300103199. The next prime is 13223300103227. The reversal of 13223300103221 is 12230100332231.

It can be written as a sum of positive squares in 6 ways, for example, as 96366784900 + 13126933318321 = 310430^2 + 3623111^2 .

It is not a de Polignac number, because 13223300103221 - 2²² = 13223295908917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13223300103227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11322251 + ... + 12435431.

It is an arithmetic number, because the mean of its divisors is an integer number (1193244832395).

Almost surely, 2^{13223300103221} is an apocalyptic number.

It is an amenable number.

13223300103221 is a deficient number, since it is larger than the sum of its proper divisors (1095637885519).

13223300103221 is a wasteful number, since it uses less digits than its factorization.

13223300103221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183496 (or 1183483 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 13223300103221 its reverse (12230100332231), we get a palindrome (25453400435452).

The spelling of 13223300103221 in words is "thirteen trillion, two hundred twenty-three billion, three hundred million, one hundred three thousand, two hundred twenty-one".