13211102320 has 80 divisors (see below), whose sum is σ = 33107693472. Its totient is φ = 4873651200.

The previous prime is 13211102309. The next prime is 13211102341. The reversal of 13211102320 is 2320111231.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 13211102294 and 13211102303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1329370 + ... + 1339270.

Almost surely, 2^13211102320 is an apocalyptic number.

13211102320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13211102320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16553846736).

13211102320 is an abundant number, since it is smaller than the sum of its proper divisors (19896591152).

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

13211102320 is a wasteful number, since it uses less digits than its factorization.

13211102320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11210 (or 11204 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13211102320 its reverse (2320111231), we get a palindrome (15531213551).

The spelling of 13211102320 in words is "thirteen billion, two hundred eleven million, one hundred two thousand, three hundred twenty".