13113013121021 has 8 divisors (see below), whose sum is σ = 14305495692384. Its totient is φ = 11920595627920.

The previous prime is 13113013121009. The next prime is 13113013121027. The reversal of 13113013121021 is 12012131031131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13113013121021 - 2³⁰ = 13111939379197 is a prime.

It is a super-2 number, since 2×13113013121021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13113013120984 and 13113013121002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13113013121027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15847775 + ... + 16654668.

It is an arithmetic number, because the mean of its divisors is an integer number (1788186961548).

Almost surely, 2^{13113013121021} is an apocalyptic number.

13113013121021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13113013121021 is a deficient number, since it is larger than the sum of its proper divisors (1192482571363).

13113013121021 is a wasteful number, since it uses less digits than its factorization.

13113013121021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32539131.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 13113013121021 its reverse (12012131031131), we get a palindrome (25125144152152).

The spelling of 13113013121021 in words is "thirteen trillion, one hundred thirteen billion, thirteen million, one hundred twenty-one thousand, twenty-one".