11322013021 has 4 divisors (see below), whose sum is σ = 12351286944. Its totient is φ = 10292739100.

The previous prime is 11322013013. The next prime is 11322013033. The reversal of 11322013021 is 12031022311.

11322013021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 11322013021 - 2³ = 11322013013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11322012986 and 11322013004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11322013121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514636945 + ... + 514636966.

It is an arithmetic number, because the mean of its divisors is an integer number (3087821736).

Almost surely, 2^11322013021 is an apocalyptic number.

11322013021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11322013021 is a deficient number, since it is larger than the sum of its proper divisors (1029273923).

11322013021 is a wasteful number, since it uses less digits than its factorization.

11322013021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029273922.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11322013021 its reverse (12031022311), we get a palindrome (23353035332).

The spelling of 11322013021 in words is "eleven billion, three hundred twenty-two million, thirteen thousand, twenty-one".