13222020211 has 4 divisors (see below), whose sum is σ = 13648537024. Its totient is φ = 12795503400.

The previous prime is 13222020209. The next prime is 13222020221. The reversal of 13222020211 is 11202022231.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13222020211 - 2¹ = 13222020209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13222020221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213258360 + ... + 213258421.

It is an arithmetic number, because the mean of its divisors is an integer number (3412134256).

Almost surely, 2^13222020211 is an apocalyptic number.

13222020211 is a deficient number, since it is larger than the sum of its proper divisors (426516813).

13222020211 is an equidigital number, since it uses as much as digits as its factorization.

13222020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426516812.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 13222020211 its reverse (11202022231), we get a palindrome (24424042442).

It can be divided in two parts, 13222020 and 211, that added together give a palindrome (13222231).

The spelling of 13222020211 in words is "thirteen billion, two hundred twenty-two million, twenty thousand, two hundred eleven".