11013231333021 has 32 divisors (see below), whose sum is σ = 14943684771840. Its totient is φ = 7213685169600.

The previous prime is 11013231333007. The next prime is 11013231333053. The reversal of 11013231333021 is 12033313231011.

It is a de Polignac number, because none of the positive numbers 2^k-11013231333021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11013231332982 and 11013231333000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11013231333121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55717956 + ... + 55915266.

It is an arithmetic number, because the mean of its divisors is an integer number (466990149120).

Almost surely, 2^{11013231333021} is an apocalyptic number.

It is an amenable number.

11013231333021 is a deficient number, since it is larger than the sum of its proper divisors (3930453438819).

11013231333021 is a wasteful number, since it uses less digits than its factorization.

11013231333021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198857.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 11013231333021 its reverse (12033313231011), we get a palindrome (23046544564032).

The spelling of 11013231333021 in words is "eleven trillion, thirteen billion, two hundred thirty-one million, three hundred thirty-three thousand, twenty-one".