11113201311021 has 12 divisors (see below), whose sum is σ = 16897265151520. Its totient is φ = 7018863985800.

The previous prime is 11113201311007. The next prime is 11113201311071. The reversal of 11113201311021 is 12011310231111.

11113201311021 is a `hidden beast` number, since 1 + 1 + 11 + 320 + 1 + 311 + 0 + 21 = 666.

It is not a de Polignac number, because 11113201311021 - 2¹⁰ = 11113201309997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11113201310985 and 11113201311003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11113201311071) 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, 32494740505 + ... + 32494740846.

Almost surely, 2^{11113201311021} is an apocalyptic number.

It is an amenable number.

11113201311021 is a deficient number, since it is larger than the sum of its proper divisors (5784063840499).

11113201311021 is a wasteful number, since it uses less digits than its factorization.

11113201311021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64989481376 (or 64989481373 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 11113201311021 its reverse (12011310231111), we get a palindrome (23124511542132).

The spelling of 11113201311021 in words is "eleven trillion, one hundred thirteen billion, two hundred one million, three hundred eleven thousand, twenty-one".