13221103212133 has 4 divisors (see below), whose sum is σ = 13316219062720. Its totient is φ = 13125987361548.

The previous prime is 13221103212089. The next prime is 13221103212151. The reversal of 13221103212133 is 33121230112231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13221103212133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13221103212098 and 13221103212107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13221103212433) 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, 47557925085 + ... + 47557925362.

It is an arithmetic number, because the mean of its divisors is an integer number (3329054765680).

Almost surely, 2^{13221103212133} is an apocalyptic number.

It is an amenable number.

13221103212133 is a deficient number, since it is larger than the sum of its proper divisors (95115850587).

13221103212133 is an equidigital number, since it uses as much as digits as its factorization.

13221103212133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95115850586.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 13221103212133 its reverse (33121230112231), we get a palindrome (46342333324364).

The spelling of 13221103212133 in words is "thirteen trillion, two hundred twenty-one billion, one hundred three million, two hundred twelve thousand, one hundred thirty-three".