13300120212221 has 12 divisors (see below), whose sum is σ = 14037183553212. Its totient is φ = 12599921274624.

The previous prime is 13300120212199. The next prime is 13300120212251. The reversal of 13300120212221 is 12221202100331.

It can be written as a sum of positive squares in 2 ways, for example, as 7220882608900 + 6079237603321 = 2687170^2 + 2465611^2 .

It is not a de Polignac number, because 13300120212221 - 2¹⁴ = 13300120195837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13300120212193 and 13300120212202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13300120212251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27030815 + ... + 27518451.

It is an arithmetic number, because the mean of its divisors is an integer number (1169765296101).

Almost surely, 2^{13300120212221} is an apocalyptic number.

It is an amenable number.

13300120212221 is a deficient number, since it is larger than the sum of its proper divisors (737063340991).

13300120212221 is an equidigital number, since it uses as much as digits as its factorization.

13300120212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563228 (or 563209 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 13300120212221 its reverse (12221202100331), we get a palindrome (25521322312552).

The spelling of 13300120212221 in words is "thirteen trillion, three hundred billion, one hundred twenty million, two hundred twelve thousand, two hundred twenty-one".