11021233033 has 4 divisors (see below), whose sum is σ = 11023611408. Its totient is φ = 11018854660.

The previous prime is 11021233007. The next prime is 11021233037. The reversal of 11021233033 is 33033212011.

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 11021233033 - 2¹⁷ = 11021101961 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 11021233033.

It is not an unprimeable number, because it can be changed into a prime (11021233037) 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, 1182223 + ... + 1191508.

It is an arithmetic number, because the mean of its divisors is an integer number (2755902852).

Almost surely, 2^11021233033 is an apocalyptic number.

It is an amenable number.

11021233033 is a deficient number, since it is larger than the sum of its proper divisors (2378375).

11021233033 is an equidigital number, since it uses as much as digits as its factorization.

11021233033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2378374.

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

Adding to 11021233033 its reverse (33033212011), we get a palindrome (44054445044).

The spelling of 11021233033 in words is "eleven billion, twenty-one million, two hundred thirty-three thousand, thirty-three".