3201121111013 has 12 divisors (see below), whose sum is σ = 3780244709280. Its totient is φ = 2655307828440.

The previous prime is 3201121111009. The next prime is 3201121111021. The reversal of 3201121111013 is 3101111211023.

It is not a de Polignac number, because 3201121111013 - 2² = 3201121111009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3201121110982 and 3201121111000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3201121111073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 237924083 + ... + 237937536.

It is an arithmetic number, because the mean of its divisors is an integer number (315020392440).

Almost surely, 2^{3201121111013} is an apocalyptic number.

It is an amenable number.

3201121111013 is a deficient number, since it is larger than the sum of its proper divisors (579123598267).

3201121111013 is an equidigital number, since it uses as much as digits as its factorization.

3201121111013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475861688 (or 475861657 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 3201121111013 its reverse (3101111211023), we get a palindrome (6302232322036).

The spelling of 3201121111013 in words is "three trillion, two hundred one billion, one hundred twenty-one million, one hundred eleven thousand, thirteen".