13211321022 has 64 divisors (see below), whose sum is σ = 30146195520. Its totient is φ = 4286131200.

The previous prime is 13211321017. The next prime is 13211321023. The reversal of 13211321022 is 22012311231.

13211321022 is a `hidden beast` number, since 1 + 321 + 1 + 321 + 0 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13211320986 and 13211321004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13211321023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 951772 + ... + 965552.

It is an arithmetic number, because the mean of its divisors is an integer number (471034305).

Almost surely, 2^13211321022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13211321022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15073097760).

13211321022 is an abundant number, since it is smaller than the sum of its proper divisors (16934874498).

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

13211321022 is a wasteful number, since it uses less digits than its factorization.

13211321022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14266 (or 14260 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 13211321022 its reverse (22012311231), we get a palindrome (35223632253).

The spelling of 13211321022 in words is "thirteen billion, two hundred eleven million, three hundred twenty-one thousand, twenty-two".