13331020121301 has 4 divisors (see below), whose sum is σ = 17774693495072. Its totient is φ = 8887346747532.

The previous prime is 13331020121239. The next prime is 13331020121303. The reversal of 13331020121301 is 10312102013331.

It is a happy number.

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 not a de Polignac number, because 13331020121301 - 2¹¹ = 13331020119253 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 (13331020121303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2221836686881 + ... + 2221836686886.

It is an arithmetic number, because the mean of its divisors is an integer number (4443673373768).

Almost surely, 2^{13331020121301} is an apocalyptic number.

It is an amenable number.

13331020121301 is a deficient number, since it is larger than the sum of its proper divisors (4443673373771).

13331020121301 is an equidigital number, since it uses as much as digits as its factorization.

13331020121301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4443673373770.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 13331020121301 its reverse (10312102013331), we get a palindrome (23643122134632).

The spelling of 13331020121301 in words is "thirteen trillion, three hundred thirty-one billion, twenty million, one hundred twenty-one thousand, three hundred one".