13221332211 has 16 divisors (see below), whose sum is σ = 18401698208. Its totient is φ = 8435404800.

The previous prime is 13221332207. The next prime is 13221332231. The reversal of 13221332211 is 11223312231.

It is not a de Polignac number, because 13221332211 - 2² = 13221332207 is a prime.

It is a super-2 number, since 2×13221332211² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13221332231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 969550 + ... + 983091.

It is an arithmetic number, because the mean of its divisors is an integer number (1150106138).

Almost surely, 2^13221332211 is an apocalyptic number.

13221332211 is a deficient number, since it is larger than the sum of its proper divisors (5180365997).

13221332211 is a wasteful number, since it uses less digits than its factorization.

13221332211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952742.

The product of its digits is 432, while the sum is 21.

Adding to 13221332211 its reverse (11223312231), we get a palindrome (24444644442).

The spelling of 13221332211 in words is "thirteen billion, two hundred twenty-one million, three hundred thirty-two thousand, two hundred eleven".