11103314421 has 4 divisors (see below), whose sum is σ = 14804419232. Its totient is φ = 7402209612.

The previous prime is 11103314393. The next prime is 11103314441. The reversal of 11103314421 is 12441330111.

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 11103314421 - 2⁵ = 11103314389 is a prime.

It is a super-2 number, since 2×11103314421² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11103314441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1850552401 + ... + 1850552406.

It is an arithmetic number, because the mean of its divisors is an integer number (3701104808).

Almost surely, 2^11103314421 is an apocalyptic number.

It is an amenable number.

11103314421 is a deficient number, since it is larger than the sum of its proper divisors (3701104811).

11103314421 is an equidigital number, since it uses as much as digits as its factorization.

11103314421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3701104810.

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

Adding to 11103314421 its reverse (12441330111), we get a palindrome (23544644532).

The spelling of 11103314421 in words is "eleven billion, one hundred three million, three hundred fourteen thousand, four hundred twenty-one".