11013330021 has 4 divisors (see below), whose sum is σ = 14684440032. Its totient is φ = 7342220012.

The previous prime is 11013330019. The next prime is 11013330023. The reversal of 11013330021 is 12003331011.

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 an interprime number because it is at equal distance from previous prime (11013330019) and next prime (11013330023).

It is a cyclic number.

It is not a de Polignac number, because 11013330021 - 2¹ = 11013330019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11013330023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1835555001 + ... + 1835555006.

It is an arithmetic number, because the mean of its divisors is an integer number (3671110008).

Almost surely, 2^11013330021 is an apocalyptic number.

It is an amenable number.

11013330021 is a deficient number, since it is larger than the sum of its proper divisors (3671110011).

11013330021 is an equidigital number, since it uses as much as digits as its factorization.

11013330021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3671110010.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 11013330021 its reverse (12003331011), we get a palindrome (23016661032).

The spelling of 11013330021 in words is "eleven billion, thirteen million, three hundred thirty thousand, twenty-one".