13222001121 has 16 divisors (see below), whose sum is σ = 20150291328. Its totient is φ = 7554499200.

The previous prime is 13222001081. The next prime is 13222001123. The reversal of 13222001121 is 12110022231.

13222001121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13222001121 - 2⁷ = 13222000993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13222001121.

It is not an unprimeable number, because it can be changed into a prime (13222001123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159501 + ... + 227781.

It is an arithmetic number, because the mean of its divisors is an integer number (1259393208).

Almost surely, 2^13222001121 is an apocalyptic number.

It is an amenable number.

13222001121 is a deficient number, since it is larger than the sum of its proper divisors (6928290207).

13222001121 is an equidigital number, since it uses as much as digits as its factorization.

13222001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77512.

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

Adding to 13222001121 its reverse (12110022231), we get a palindrome (25332023352).

The spelling of 13222001121 in words is "thirteen billion, two hundred twenty-two million, one thousand, one hundred twenty-one".