11021133433 has 4 divisors (see below), whose sum is σ = 11130253668. Its totient is φ = 10912013200.

The previous prime is 11021133421. The next prime is 11021133449. The reversal of 11021133433 is 33433112011.

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 9969623104 + 1051510329 = 99848^2 + 32427^2 .

It is a cyclic number.

It is not a de Polignac number, because 11021133433 - 2⁹ = 11021132921 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11021133493) 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, 54559966 + ... + 54560167.

It is an arithmetic number, because the mean of its divisors is an integer number (2782563417).

Almost surely, 2^11021133433 is an apocalyptic number.

It is an amenable number.

11021133433 is a deficient number, since it is larger than the sum of its proper divisors (109120235).

11021133433 is a wasteful number, since it uses less digits than its factorization.

11021133433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109120234.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 11021133433 its reverse (33433112011), we get a palindrome (44454245444).

The spelling of 11021133433 in words is "eleven billion, twenty-one million, one hundred thirty-three thousand, four hundred thirty-three".