13421122221113 has 4 divisors (see below), whose sum is σ = 13422766773108. Its totient is φ = 13419477669120.

The previous prime is 13421122221011. The next prime is 13421122221119. The reversal of 13421122221113 is 31112222112431.

13421122221113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7480071840784 + 5941050380329 = 2734972^2 + 2437427^2 .

It is a cyclic number.

It is not a de Polignac number, because 13421122221113 - 2¹⁰ = 13421122220089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13421122221119) 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, 822263756 + ... + 822280077.

It is an arithmetic number, because the mean of its divisors is an integer number (3355691693277).

Almost surely, 2^{13421122221113} is an apocalyptic number.

It is an amenable number.

13421122221113 is a deficient number, since it is larger than the sum of its proper divisors (1644551995).

13421122221113 is an equidigital number, since it uses as much as digits as its factorization.

13421122221113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644551994.

The product of its digits is 1152, while the sum is 26.

Adding to 13421122221113 its reverse (31112222112431), we get a palindrome (44533344333544).

The spelling of 13421122221113 in words is "thirteen trillion, four hundred twenty-one billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred thirteen".