11124403221 has 8 divisors (see below), whose sum is σ = 14833108384. Its totient is φ = 7415983440.

The previous prime is 11124403207. The next prime is 11124403229. The reversal of 11124403221 is 12230442111.

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

It is not a de Polignac number, because 11124403221 - 2⁵ = 11124403189 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 (11124403229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48255 + ... + 156771.

It is an arithmetic number, because the mean of its divisors is an integer number (1854138548).

Almost surely, 2^11124403221 is an apocalyptic number.

It is an amenable number.

11124403221 is a deficient number, since it is larger than the sum of its proper divisors (3708705163).

11124403221 is a wasteful number, since it uses less digits than its factorization.

11124403221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142691.

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

Adding to 11124403221 its reverse (12230442111), we get a palindrome (23354845332).

The spelling of 11124403221 in words is "eleven billion, one hundred twenty-four million, four hundred three thousand, two hundred twenty-one".