442343331121 has 4 divisors (see below), whose sum is σ = 443618096112. Its totient is φ = 441068566132.

The previous prime is 442343331083. The next prime is 442343331137. The reversal of 442343331121 is 121133343244.

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 not a de Polignac number, because 442343331121 - 2⁹ = 442343330609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442343731121) 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, 637381975 + ... + 637382668.

It is an arithmetic number, because the mean of its divisors is an integer number (110904524028).

Almost surely, 2^442343331121 is an apocalyptic number.

It is an amenable number.

442343331121 is a deficient number, since it is larger than the sum of its proper divisors (1274764991).

442343331121 is a wasteful number, since it uses less digits than its factorization.

442343331121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274764990.

The product of its digits is 20736, while the sum is 31.

Adding to 442343331121 its reverse (121133343244), we get a palindrome (563476674365).

The spelling of 442343331121 in words is "four hundred forty-two billion, three hundred forty-three million, three hundred thirty-one thousand, one hundred twenty-one".