13221211061 has 8 divisors (see below), whose sum is σ = 13508814720. Its totient is φ = 12933870048.

The previous prime is 13221211019. The next prime is 13221211079. The reversal of 13221211061 is 16011212231.

13221211061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13221211061 - 2¹⁴ = 13221194677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13221211561) 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 7 ways as a sum of consecutive naturals, for example, 37865 + ... + 166961.

It is an arithmetic number, because the mean of its divisors is an integer number (1688601840).

Almost surely, 2^13221211061 is an apocalyptic number.

It is an amenable number.

13221211061 is a deficient number, since it is larger than the sum of its proper divisors (287603659).

13221211061 is a wasteful number, since it uses less digits than its factorization.

13221211061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131323.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 13221211061 its reverse (16011212231), we get a palindrome (29232423292).

The spelling of 13221211061 in words is "thirteen billion, two hundred twenty-one million, two hundred eleven thousand, sixty-one".