11023033021 has 32 divisors (see below), whose sum is σ = 14809132800. Its totient is φ = 7923847680.

The previous prime is 11023033001. The next prime is 11023033033. The reversal of 11023033021 is 12033032011.

It is not a de Polignac number, because 11023033021 - 2¹¹ = 11023030973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11023032986 and 11023033004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11023033001) 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, 2970115 + ... + 2973823.

It is an arithmetic number, because the mean of its divisors is an integer number (462785400).

Almost surely, 2^11023033021 is an apocalyptic number.

11023033021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11023033021 is a deficient number, since it is larger than the sum of its proper divisors (3786099779).

11023033021 is a wasteful number, since it uses less digits than its factorization.

11023033021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6709.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 11023033021 its reverse (12033032011), we get a palindrome (23056065032).

The spelling of 11023033021 in words is "eleven billion, twenty-three million, thirty-three thousand, twenty-one".