13133001022221 has 16 divisors (see below), whose sum is σ = 17515563093504. Its totient is φ = 8752886750784.

The previous prime is 13133001022213. The next prime is 13133001022237. The reversal of 13133001022221 is 12222010033131.

It is not a de Polignac number, because 13133001022221 - 2³ = 13133001022213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13133001022721) 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, 351535275 + ... + 351572631.

It is an arithmetic number, because the mean of its divisors is an integer number (1094722693344).

Almost surely, 2^{13133001022221} is an apocalyptic number.

It is an amenable number.

13133001022221 is a deficient number, since it is larger than the sum of its proper divisors (4382562071283).

13133001022221 is a wasteful number, since it uses less digits than its factorization.

13133001022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66980.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13133001022221 its reverse (12222010033131), we get a palindrome (25355011055352).

The spelling of 13133001022221 in words is "thirteen trillion, one hundred thirty-three billion, one million, twenty-two thousand, two hundred twenty-one".