11023320021 has 8 divisors (see below), whose sum is σ = 16797440064. Its totient is φ = 6299040000.

The previous prime is 11023319971. The next prime is 11023320031. The reversal of 11023320021 is 12002332011.

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

It is not a de Polignac number, because 11023320021 - 2¹⁴ = 11023303637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11023320031) 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, 262459980 + ... + 262460021.

It is an arithmetic number, because the mean of its divisors is an integer number (2099680008).

Almost surely, 2^11023320021 is an apocalyptic number.

It is an amenable number.

11023320021 is a deficient number, since it is larger than the sum of its proper divisors (5774120043).

11023320021 is an equidigital number, since it uses as much as digits as its factorization.

11023320021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524920011.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 11023320021 its reverse (12002332011), we get a palindrome (23025652032).

The spelling of 11023320021 in words is "eleven billion, twenty-three million, three hundred twenty thousand, twenty-one".