13200020133221 has 2 divisors, whose sum is σ = 13200020133222. Its totient is φ = 13200020133220.

The previous prime is 13200020133191. The next prime is 13200020133227. The reversal of 13200020133221 is 12233102000231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12771767685121 + 428252448100 = 3573761^2 + 654410^2 .

It is a cyclic number.

It is not a de Polignac number, because 13200020133221 - 2²² = 13200015938917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13200020133193 and 13200020133202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13200020133227) 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 as a sum of consecutive naturals, namely, 6600010066610 + 6600010066611.

It is an arithmetic number, because the mean of its divisors is an integer number (6600010066611).

Almost surely, 2^{13200020133221} is an apocalyptic number.

It is an amenable number.

13200020133221 is a deficient number, since it is larger than the sum of its proper divisors (1).

13200020133221 is an equidigital number, since it uses as much as digits as its factorization.

13200020133221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13200020133221 its reverse (12233102000231), we get a palindrome (25433122133452).

The spelling of 13200020133221 in words is "thirteen trillion, two hundred billion, twenty million, one hundred thirty-three thousand, two hundred twenty-one".