144221000111 has 4 divisors (see below), whose sum is σ = 145176106224. Its totient is φ = 143265894000.

The previous prime is 144221000059. The next prime is 144221000177. The reversal of 144221000111 is 111000122441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144221000111 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 144221000111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144221003111) 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, 477552830 + ... + 477553131.

It is an arithmetic number, because the mean of its divisors is an integer number (36294026556).

Almost surely, 2^144221000111 is an apocalyptic number.

144221000111 is a deficient number, since it is larger than the sum of its proper divisors (955106113).

144221000111 is an equidigital number, since it uses as much as digits as its factorization.

144221000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955106112.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 144221000111 its reverse (111000122441), we get a palindrome (255221122552).

The spelling of 144221000111 in words is "one hundred forty-four billion, two hundred twenty-one million, one hundred eleven", and thus it is an aban number.