42121104024 has 16 divisors (see below), whose sum is σ = 105302760120. Its totient is φ = 14040368000.

The previous prime is 42121104019. The next prime is 42121104061. The reversal of 42121104024 is 42040112124.

It is a congruent number.

It is an unprimeable number.

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, 877522977 + ... + 877523024.

Almost surely, 2^42121104024 is an apocalyptic number.

It is an amenable number.

42121104024 is an abundant number, since it is smaller than the sum of its proper divisors (63181656096).

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

42121104024 is a wasteful number, since it uses less digits than its factorization.

42121104024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755046010 (or 1755046006 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 42121104024 its reverse (42040112124), we get a palindrome (84161216148).

The spelling of 42121104024 in words is "forty-two billion, one hundred twenty-one million, one hundred four thousand, twenty-four".