42003334111 has 4 divisors (see below), whose sum is σ = 42436358272. Its totient is φ = 41570309952.

The previous prime is 42003334097. The next prime is 42003334127. The reversal of 42003334111 is 11143330024.

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 42003334111 - 2⁹ = 42003333599 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 (42003334141) 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 3 ways as a sum of consecutive naturals, for example, 216511935 + ... + 216512128.

It is an arithmetic number, because the mean of its divisors is an integer number (10609089568).

Almost surely, 2^42003334111 is an apocalyptic number.

42003334111 is a deficient number, since it is larger than the sum of its proper divisors (433024161).

42003334111 is an equidigital number, since it uses as much as digits as its factorization.

42003334111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433024160.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 42003334111 its reverse (11143330024), we get a palindrome (53146664135).

The spelling of 42003334111 in words is "forty-two billion, three million, three hundred thirty-four thousand, one hundred eleven".