144421312111 has 2 divisors, whose sum is σ = 144421312112. Its totient is φ = 144421312110.

The previous prime is 144421312067. The next prime is 144421312121. The reversal of 144421312111 is 111213124441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144421312111 - 2²¹ = 144419214959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144421312121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72210656055 + 72210656056.

It is an arithmetic number, because the mean of its divisors is an integer number (72210656056).

Almost surely, 2^144421312111 is an apocalyptic number.

144421312111 is a deficient number, since it is larger than the sum of its proper divisors (1).

144421312111 is an equidigital number, since it uses as much as digits as its factorization.

144421312111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 25.

Adding to 144421312111 its reverse (111213124441), we get a palindrome (255634436552).

The spelling of 144421312111 in words is "one hundred forty-four billion, four hundred twenty-one million, three hundred twelve thousand, one hundred eleven".