11034133021 has 4 divisors (see below), whose sum is σ = 11052133852. Its totient is φ = 11016132192.

The previous prime is 11034132961. The next prime is 11034133039. The reversal of 11034133021 is 12033143011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12033143011 = 157 ⋅76644223.

It can be written as a sum of positive squares in 2 ways, for example, as 875508921 + 10158624100 = 29589^2 + 100790^2 .

It is a cyclic number.

It is not a de Polignac number, because 11034133021 - 2²³ = 11025744413 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 11034133021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11034133421) 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, 8999496 + ... + 9000721.

It is an arithmetic number, because the mean of its divisors is an integer number (2763033463).

Almost surely, 2^11034133021 is an apocalyptic number.

It is an amenable number.

11034133021 is a deficient number, since it is larger than the sum of its proper divisors (18000831).

11034133021 is an equidigital number, since it uses as much as digits as its factorization.

11034133021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18000830.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11034133021 its reverse (12033143011), we get a palindrome (23067276032).

The spelling of 11034133021 in words is "eleven billion, thirty-four million, one hundred thirty-three thousand, twenty-one".