13130002221 has 24 divisors (see below), whose sum is σ = 20378723904. Its totient is φ = 7497766080.

The previous prime is 13130002219. The next prime is 13130002273. The reversal of 13130002221 is 12220003131.

It is not a de Polignac number, because 13130002221 - 2¹ = 13130002219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13130002221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13130002201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 192561 + ... + 251673.

It is an arithmetic number, because the mean of its divisors is an integer number (849113496).

Almost surely, 2^13130002221 is an apocalyptic number.

It is an amenable number.

13130002221 is a deficient number, since it is larger than the sum of its proper divisors (7248721683).

13130002221 is a wasteful number, since it uses less digits than its factorization.

13130002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60641 (or 60634 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 13130002221 its reverse (12220003131), we get a palindrome (25350005352).

The spelling of 13130002221 in words is "thirteen billion, one hundred thirty million, two thousand, two hundred twenty-one".