13040101221 has 16 divisors (see below), whose sum is σ = 19890163200. Its totient is φ = 7444161648.

The previous prime is 13040101189. The next prime is 13040101247. The reversal of 13040101221 is 12210104031.

It is not a de Polignac number, because 13040101221 - 2⁵ = 13040101189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13040101221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13040101271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283291 + ... + 326088.

It is an arithmetic number, because the mean of its divisors is an integer number (1243135200).

Almost surely, 2^13040101221 is an apocalyptic number.

It is an amenable number.

13040101221 is a deficient number, since it is larger than the sum of its proper divisors (6850061979).

13040101221 is a wasteful number, since it uses less digits than its factorization.

13040101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610408.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 13040101221 its reverse (12210104031), we get a palindrome (25250205252).

The spelling of 13040101221 in words is "thirteen billion, forty million, one hundred one thousand, two hundred twenty-one".