2011042142 has 8 divisors (see below), whose sum is σ = 3016772616. Its totient is φ = 1005451272.

The previous prime is 2011042139. The next prime is 2011042151. The reversal of 2011042142 is 2412401102.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2011042142.

It is a congruent number.

It is an unprimeable number.

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, 15908 + ... + 65384.

It is an arithmetic number, because the mean of its divisors is an integer number (377096577).

Almost surely, 2^2011042142 is an apocalyptic number.

2011042142 is a deficient number, since it is larger than the sum of its proper divisors (1005730474).

2011042142 is a wasteful number, since it uses less digits than its factorization.

2011042142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69802.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2011042142 is about 44844.6445186044. The cubic root of 2011042142 is about 1262.2355002152.

Adding to 2011042142 its reverse (2412401102), we get a palindrome (4423443244).

The spelling of 2011042142 in words is "two billion, eleven million, forty-two thousand, one hundred forty-two".