42142012111 has 8 divisors (see below), whose sum is σ = 42268379904. Its totient is φ = 42015828120.

The previous prime is 42142012061. The next prime is 42142012127. The reversal of 42142012111 is 11121024124.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42142012111 - 2³¹ = 39994528463 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 (42142082111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420346 + ... + 510856.

It is an arithmetic number, because the mean of its divisors is an integer number (5283547488).

Almost surely, 2^42142012111 is an apocalyptic number.

42142012111 is a deficient number, since it is larger than the sum of its proper divisors (126367793).

42142012111 is an equidigital number, since it uses as much as digits as its factorization.

42142012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91901.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 42142012111 its reverse (11121024124), we get a palindrome (53263036235).

The spelling of 42142012111 in words is "forty-two billion, one hundred forty-two million, twelve thousand, one hundred eleven".