13211021221103 has 32 divisors (see below), whose sum is σ = 14574617064000. Its totient is φ = 11923041402880.

The previous prime is 13211021221093. The next prime is 13211021221109. The reversal of 13211021221103 is 30112212011231.

It is not a de Polignac number, because 13211021221103 - 2²⁰ = 13211020172527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13211021221109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 282450503 + ... + 282497271.

It is an arithmetic number, because the mean of its divisors is an integer number (455456783250).

Almost surely, 2^{13211021221103} is an apocalyptic number.

13211021221103 is a deficient number, since it is larger than the sum of its proper divisors (1363595842897).

13211021221103 is a wasteful number, since it uses less digits than its factorization.

13211021221103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53755.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 13211021221103 its reverse (30112212011231), we get a palindrome (43323233232334).

The spelling of 13211021221103 in words is "thirteen trillion, two hundred eleven billion, twenty-one million, two hundred twenty-one thousand, one hundred three".