11034144021 has 4 divisors (see below), whose sum is σ = 14712192032. Its totient is φ = 7356096012.

The previous prime is 11034144007. The next prime is 11034144029. The reversal of 11034144021 is 12044143011.

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 not a de Polignac number, because 11034144021 - 2¹⁷ = 11034012949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11034144029) 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, 1839024001 + ... + 1839024006.

It is an arithmetic number, because the mean of its divisors is an integer number (3678048008).

Almost surely, 2^11034144021 is an apocalyptic number.

It is an amenable number.

11034144021 is a deficient number, since it is larger than the sum of its proper divisors (3678048011).

11034144021 is an equidigital number, since it uses as much as digits as its factorization.

11034144021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3678048010.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 11034144021 its reverse (12044143011), we get a palindrome (23078287032).

The spelling of 11034144021 in words is "eleven billion, thirty-four million, one hundred forty-four thousand, twenty-one".