13330133221 has 16 divisors (see below), whose sum is σ = 14146585600. Its totient is φ = 12525351408.

The previous prime is 13330133203. The next prime is 13330133237. The reversal of 13330133221 is 12233103331.

It is a cyclic number.

It is not a de Polignac number, because 13330133221 - 2¹¹ = 13330131173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13330133192 and 13330133201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13330133261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3756370 + ... + 3759916.

It is an arithmetic number, because the mean of its divisors is an integer number (884161600).

Almost surely, 2^13330133221 is an apocalyptic number.

It is an amenable number.

13330133221 is a deficient number, since it is larger than the sum of its proper divisors (816452379).

13330133221 is a wasteful number, since it uses less digits than its factorization.

13330133221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5128.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 13330133221 its reverse (12233103331), we get a palindrome (25563236552).

The spelling of 13330133221 in words is "thirteen billion, three hundred thirty million, one hundred thirty-three thousand, two hundred twenty-one".