442314232111 has 2 divisors, whose sum is σ = 442314232112. Its totient is φ = 442314232110.

The previous prime is 442314232109. The next prime is 442314232163. The reversal of 442314232111 is 111232413244.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442314232111 - 2¹ = 442314232109 is a prime.

Together with 442314232109, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 442314232111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442314233111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221157116055 + 221157116056.

It is an arithmetic number, because the mean of its divisors is an integer number (221157116056).

Almost surely, 2^442314232111 is an apocalyptic number.

442314232111 is a deficient number, since it is larger than the sum of its proper divisors (1).

442314232111 is an equidigital number, since it uses as much as digits as its factorization.

442314232111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 28.

Adding to 442314232111 its reverse (111232413244), we get a palindrome (553546645355).

The spelling of 442314232111 in words is "four hundred forty-two billion, three hundred fourteen million, two hundred thirty-two thousand, one hundred eleven".