11144421001 has 8 divisors (see below), whose sum is σ = 12755754944. Its totient is φ = 9537905520.

The previous prime is 11144420999. The next prime is 11144421019. The reversal of 11144421001 is 10012444111.

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

It is a cyclic number.

It is not a de Polignac number, because 11144421001 - 2¹ = 11144420999 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 11144421001.

It is not an unprimeable number, because it can be changed into a prime (11144421031) 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, 1199655 + ... + 1208908.

It is an arithmetic number, because the mean of its divisors is an integer number (1594469368).

Almost surely, 2^11144421001 is an apocalyptic number.

It is an amenable number.

11144421001 is a deficient number, since it is larger than the sum of its proper divisors (1611333943).

11144421001 is an equidigital number, since it uses as much as digits as its factorization.

11144421001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2409231.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11144421001 its reverse (10012444111), we get a palindrome (21156865112).

The spelling of 11144421001 in words is "eleven billion, one hundred forty-four million, four hundred twenty-one thousand, one".