11113034421 has 4 divisors (see below), whose sum is σ = 14817379232. Its totient is φ = 7408689612.

The previous prime is 11113034369. The next prime is 11113034437. The reversal of 11113034421 is 12443031111.

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 11113034421 - 2⁶ = 11113034357 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 (11113034441) 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, 1852172401 + ... + 1852172406.

It is an arithmetic number, because the mean of its divisors is an integer number (3704344808).

Almost surely, 2^11113034421 is an apocalyptic number.

It is an amenable number.

11113034421 is a deficient number, since it is larger than the sum of its proper divisors (3704344811).

11113034421 is an equidigital number, since it uses as much as digits as its factorization.

11113034421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3704344810.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11113034421 its reverse (12443031111), we get a palindrome (23556065532).

The spelling of 11113034421 in words is "eleven billion, one hundred thirteen million, thirty-four thousand, four hundred twenty-one".