13221131013211 has 16 divisors (see below), whose sum is σ = 14540348786688. Its totient is φ = 11921825408800.

The previous prime is 13221131013199. The next prime is 13221131013229. The reversal of 13221131013211 is 11231013112231.

It is a cyclic number.

It is not a de Polignac number, because 13221131013211 - 2⁵ = 13221131013179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13221131013011) 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, 8338360 + ... + 9796453.

It is an arithmetic number, because the mean of its divisors is an integer number (908771799168).

Almost surely, 2^{13221131013211} is an apocalyptic number.

13221131013211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13221131013211 is a deficient number, since it is larger than the sum of its proper divisors (1319217773477).

13221131013211 is a wasteful number, since it uses less digits than its factorization.

13221131013211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18135362.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 13221131013211 its reverse (11231013112231), we get a palindrome (24452144125442).

The spelling of 13221131013211 in words is "thirteen trillion, two hundred twenty-one billion, one hundred thirty-one million, thirteen thousand, two hundred eleven".