4042123111 has 16 divisors (see below), whose sum is σ = 4378953600. Its totient is φ = 3709052928.

The previous prime is 4042123103. The next prime is 4042123123. The reversal of 4042123111 is 1113212404.

It is a cyclic number.

It is not a de Polignac number, because 4042123111 - 2³ = 4042123103 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 (4042120111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3320775 + ... + 3321991.

It is an arithmetic number, because the mean of its divisors is an integer number (273684600).

Almost surely, 2^4042123111 is an apocalyptic number.

4042123111 is a deficient number, since it is larger than the sum of its proper divisors (336830489).

4042123111 is a wasteful number, since it uses less digits than its factorization.

4042123111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2538.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 4042123111 is about 63577.6935017306. The cubic root of 4042123111 is about 1592.9537950018.

Adding to 4042123111 its reverse (1113212404), we get a palindrome (5155335515).

The spelling of 4042123111 in words is "four billion, forty-two million, one hundred twenty-three thousand, one hundred eleven".