11031021133 has 8 divisors (see below), whose sum is σ = 12094315200. Its totient is φ = 9977806080.

The previous prime is 11031021109. The next prime is 11031021139. The reversal of 11031021133 is 33112013011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11031021133 - 2⁵ = 11031021101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11031021139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2517460 + ... + 2521837.

It is an arithmetic number, because the mean of its divisors is an integer number (1511789400).

Almost surely, 2^11031021133 is an apocalyptic number.

It is an amenable number.

11031021133 is a deficient number, since it is larger than the sum of its proper divisors (1063294067).

11031021133 is a wasteful number, since it uses less digits than its factorization.

11031021133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5039507.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 11031021133 its reverse (33112013011), we get a palindrome (44143034144).

The spelling of 11031021133 in words is "eleven billion, thirty-one million, twenty-one thousand, one hundred thirty-three".