42112421112 has 16 divisors (see below), whose sum is σ = 105281052840. Its totient is φ = 14037473696.

The previous prime is 42112421111. The next prime is 42112421129. The reversal of 42112421112 is 21112421124.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42112421111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 877342083 + ... + 877342130.

Almost surely, 2^42112421112 is an apocalyptic number.

It is an amenable number.

42112421112 is an abundant number, since it is smaller than the sum of its proper divisors (63168631728).

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

42112421112 is a wasteful number, since it uses less digits than its factorization.

42112421112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754684222 (or 1754684218 counting only the distinct ones).

The product of its digits is 256, while the sum is 21.

Adding to 42112421112 its reverse (21112421124), we get a palindrome (63224842236).

The spelling of 42112421112 in words is "forty-two billion, one hundred twelve million, four hundred twenty-one thousand, one hundred twelve".