11033323021 has 8 divisors (see below), whose sum is σ = 12797714240. Its totient is φ = 9315982368.

The previous prime is 11033323019. The next prime is 11033323033. The reversal of 11033323021 is 12032333011.

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

It is not a de Polignac number, because 11033323021 - 2¹ = 11033323019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11033323021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11033323321) 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, 11762136 + ... + 11763073.

It is an arithmetic number, because the mean of its divisors is an integer number (1599714280).

Almost surely, 2^11033323021 is an apocalyptic number.

It is an amenable number.

11033323021 is a deficient number, since it is larger than the sum of its proper divisors (1764391219).

11033323021 is an equidigital number, since it uses as much as digits as its factorization.

11033323021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23525283.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 11033323021 its reverse (12032333011), we get a palindrome (23065656032).

The spelling of 11033323021 in words is "eleven billion, thirty-three million, three hundred twenty-three thousand, twenty-one".