42421021112 has 16 divisors (see below), whose sum is σ = 79547958360. Its totient is φ = 21208232224.

The previous prime is 42421021081. The next prime is 42421021121. The reversal of 42421021112 is 21112012424.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 204323 + ... + 355794.

Almost surely, 2^42421021112 is an apocalyptic number.

It is an amenable number.

42421021112 is a deficient number, since it is larger than the sum of its proper divisors (37126937248).

42421021112 is a wasteful number, since it uses less digits than its factorization.

42421021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569590 (or 569586 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 42421021112 its reverse (21112012424), we get a palindrome (63533033536).

The spelling of 42421021112 in words is "forty-two billion, four hundred twenty-one million, twenty-one thousand, one hundred twelve".