11444221003 has 4 divisors (see below), whose sum is σ = 11589084640. Its totient is φ = 11299357368.

The previous prime is 11444221001. The next prime is 11444221013. The reversal of 11444221003 is 30012244411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30012244411 = 60733 ⋅494167.

It is a cyclic number.

It is not a de Polignac number, because 11444221003 - 2¹ = 11444221001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11444221001) 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, 72431700 + ... + 72431857.

It is an arithmetic number, because the mean of its divisors is an integer number (2897271160).

Almost surely, 2^11444221003 is an apocalyptic number.

11444221003 is a deficient number, since it is larger than the sum of its proper divisors (144863637).

11444221003 is an equidigital number, since it uses as much as digits as its factorization.

11444221003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144863636.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 11444221003 its reverse (30012244411), we get a palindrome (41456465414).

The spelling of 11444221003 in words is "eleven billion, four hundred forty-four million, two hundred twenty-one thousand, three".