11021340233 has 4 divisors (see below), whose sum is σ = 11021648400. Its totient is φ = 11021032068.

The previous prime is 11021340179. The next prime is 11021340299. The reversal of 11021340233 is 33204312011.

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 11021340233 - 2⁸ = 11021339977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11021640233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92135 + ... + 174732.

It is an arithmetic number, because the mean of its divisors is an integer number (2755412100).

Almost surely, 2^11021340233 is an apocalyptic number.

It is an amenable number.

11021340233 is a deficient number, since it is larger than the sum of its proper divisors (308167).

11021340233 is an equidigital number, since it uses as much as digits as its factorization.

11021340233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308166.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 11021340233 its reverse (33204312011), we get a palindrome (44225652244).

The spelling of 11021340233 in words is "eleven billion, twenty-one million, three hundred forty thousand, two hundred thirty-three".