42042224111 has 4 divisors (see below), whose sum is σ = 42043304592. Its totient is φ = 42041143632.

The previous prime is 42042224093. The next prime is 42042224137. The reversal of 42042224111 is 11142224024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42042224111 - 2²² = 42038029807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42042224171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479606 + ... + 560451.

It is an arithmetic number, because the mean of its divisors is an integer number (10510826148).

Almost surely, 2^42042224111 is an apocalyptic number.

42042224111 is a deficient number, since it is larger than the sum of its proper divisors (1080481).

42042224111 is a wasteful number, since it uses less digits than its factorization.

42042224111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080480.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 42042224111 its reverse (11142224024), we get a palindrome (53184448135).

The spelling of 42042224111 in words is "forty-two billion, forty-two million, two hundred twenty-four thousand, one hundred eleven".