42111241111 has 4 divisors (see below), whose sum is σ = 42112565352. Its totient is φ = 42109916872.

The previous prime is 42111241097. The next prime is 42111241153. The reversal of 42111241111 is 11114211124.

42111241111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42111241111 - 2⁵ = 42111241079 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 (42111241181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 613216 + ... + 678421.

It is an arithmetic number, because the mean of its divisors is an integer number (10528141338).

Almost surely, 2^42111241111 is an apocalyptic number.

42111241111 is a deficient number, since it is larger than the sum of its proper divisors (1324241).

42111241111 is a wasteful number, since it uses less digits than its factorization.

42111241111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324240.

The product of its digits is 64, while the sum is 19.

Adding to 42111241111 its reverse (11114211124), we get a palindrome (53225452235).

It can be divided in two parts, 4211124 and 1111, that multiplied together give a palindrome (4678558764).

The spelling of 42111241111 in words is "forty-two billion, one hundred eleven million, two hundred forty-one thousand, one hundred eleven".