13333213101221 has 64 divisors (see below), whose sum is σ = 16039637107200. Its totient is φ = 10949310038016.

The previous prime is 13333213101193. The next prime is 13333213101227. The reversal of 13333213101221 is 12210131233331.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13333213101221 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 (13333213101227) 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 63 ways as a sum of consecutive naturals, for example, 5471157215 + ... + 5471159651.

It is an arithmetic number, because the mean of its divisors is an integer number (250619329800).

Almost surely, 2^{13333213101221} is an apocalyptic number.

It is an amenable number.

13333213101221 is a deficient number, since it is larger than the sum of its proper divisors (2706424005979).

13333213101221 is a wasteful number, since it uses less digits than its factorization.

13333213101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4878.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 13333213101221 its reverse (12210131233331), we get a palindrome (25543344334552).

The spelling of 13333213101221 in words is "thirteen trillion, three hundred thirty-three billion, two hundred thirteen million, one hundred one thousand, two hundred twenty-one".