42010111 has 24 divisors (see below), whose sum is σ = 52687152. Its totient is φ = 33158400.

The previous prime is 42010063. The next prime is 42010127. The reversal of 42010111 is 11101024.

42010111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42010111 - 2¹⁵ = 41977343 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 (42010141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25956 + ... + 27526.

It is an arithmetic number, because the mean of its divisors is an integer number (2195298).

Almost surely, 2^42010111 is an apocalyptic number.

42010111 is a deficient number, since it is larger than the sum of its proper divisors (10677041).

42010111 is a wasteful number, since it uses less digits than its factorization.

42010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623 (or 1612 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 42010111 is about 6481.5207320505. The cubic root of 42010111 is about 347.6305559850.

Adding to 42010111 its reverse (11101024), we get a palindrome (53111135).

The spelling of 42010111 in words is "forty-two million, ten thousand, one hundred eleven".