11001223033 has 4 divisors (see below), whose sum is σ = 11269545588. Its totient is φ = 10732900480.

The previous prime is 11001223027. The next prime is 11001223043. The reversal of 11001223033 is 33032210011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1610256384 + 9390966649 = 40128^2 + 96907^2 .

It is a cyclic number.

It is not a de Polignac number, because 11001223033 - 2⁹ = 11001222521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11001222998 and 11001223016.

It is not an unprimeable number, because it can be changed into a prime (11001223043) 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, 134161216 + ... + 134161297.

It is an arithmetic number, because the mean of its divisors is an integer number (2817386397).

Almost surely, 2^11001223033 is an apocalyptic number.

It is an amenable number.

11001223033 is a deficient number, since it is larger than the sum of its proper divisors (268322555).

11001223033 is an equidigital number, since it uses as much as digits as its factorization.

11001223033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268322554.

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

Adding to 11001223033 its reverse (33032210011), we get a palindrome (44033433044).

The spelling of 11001223033 in words is "eleven billion, one million, two hundred twenty-three thousand, thirty-three".