13221012211 has 16 divisors (see below), whose sum is σ = 14729493600. Its totient is φ = 11766304000.

The previous prime is 13221012199. The next prime is 13221012241. The reversal of 13221012211 is 11221012231.

It is not a de Polignac number, because 13221012211 - 2⁵ = 13221012179 is a prime.

It is a super-3 number, since 3×13221012211³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13221012241) 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, 32025 + ... + 165733.

It is an arithmetic number, because the mean of its divisors is an integer number (920593350).

Almost surely, 2^13221012211 is an apocalyptic number.

13221012211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13221012211 is a deficient number, since it is larger than the sum of its proper divisors (1508481389).

13221012211 is a wasteful number, since it uses less digits than its factorization.

13221012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133910.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 13221012211 its reverse (11221012231), we get a palindrome (24442024442).

The spelling of 13221012211 in words is "thirteen billion, two hundred twenty-one million, twelve thousand, two hundred eleven".