144111102221 has 4 divisors (see below), whose sum is σ = 144120399072. Its totient is φ = 144101805372.

The previous prime is 144111102211. The next prime is 144111102259. The reversal of 144111102221 is 122201111441.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144111102221 is a prime.

It is a super-2 number, since 2×144111102221² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144111102193 and 144111102202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144111102211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4625135 + ... + 4656188.

It is an arithmetic number, because the mean of its divisors is an integer number (36030099768).

Almost surely, 2^144111102221 is an apocalyptic number.

It is an amenable number.

144111102221 is a deficient number, since it is larger than the sum of its proper divisors (9296851).

144111102221 is an equidigital number, since it uses as much as digits as its factorization.

144111102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9296850.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 144111102221 its reverse (122201111441), we get a palindrome (266312213662).

The spelling of 144111102221 in words is "one hundred forty-four billion, one hundred eleven million, one hundred two thousand, two hundred twenty-one".