442213144111 has 2 divisors, whose sum is σ = 442213144112. Its totient is φ = 442213144110.

The previous prime is 442213144099. The next prime is 442213144141. The reversal of 442213144111 is 111441312244.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442213144111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 442213144111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442213144141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221106572055 + 221106572056.

It is an arithmetic number, because the mean of its divisors is an integer number (221106572056).

Almost surely, 2^442213144111 is an apocalyptic number.

442213144111 is a deficient number, since it is larger than the sum of its proper divisors (1).

442213144111 is an equidigital number, since it uses as much as digits as its factorization.

442213144111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072, while the sum is 28.

Adding to 442213144111 its reverse (111441312244), we get a palindrome (553654456355).

The spelling of 442213144111 in words is "four hundred forty-two billion, two hundred thirteen million, one hundred forty-four thousand, one hundred eleven".