42442111122 has 32 divisors (see below), whose sum is σ = 87815556864. Its totient is φ = 13665648000.

The previous prime is 42442111121. The next prime is 42442111139. The reversal of 42442111122 is 22111124424.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42442111092 and 42442111101.

It is not an unprimeable number, because it can be changed into a prime (42442111121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 829258 + ... + 878949.

It is an arithmetic number, because the mean of its divisors is an integer number (2744236152).

Almost surely, 2^42442111122 is an apocalyptic number.

42442111122 is an abundant number, since it is smaller than the sum of its proper divisors (45373445742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42442111122 is a wasteful number, since it uses less digits than its factorization.

42442111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708354.

The product of its digits is 1024, while the sum is 24.

Adding to 42442111122 its reverse (22111124424), we get a palindrome (64553235546).

The spelling of 42442111122 in words is "forty-two billion, four hundred forty-two million, one hundred eleven thousand, one hundred twenty-two".