13221010110 has 128 divisors (see below), whose sum is σ = 40117690368. Its totient is φ = 2708496000.

The previous prime is 13221010079. The next prime is 13221010111. The reversal of 13221010110 is 1101012231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13221010111) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 123705 + ... + 204315.

It is an arithmetic number, because the mean of its divisors is an integer number (313419456).

Almost surely, 2^13221010110 is an apocalyptic number.

13221010110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13221010110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20058845184).

13221010110 is an abundant number, since it is smaller than the sum of its proper divisors (26896680258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13221010110 is a wasteful number, since it uses less digits than its factorization.

13221010110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80710.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 13221010110 its reverse (1101012231), we get a palindrome (14322022341).

The spelling of 13221010110 in words is "thirteen billion, two hundred twenty-one million, ten thousand, one hundred ten".