2182111142 has 8 divisors (see below), whose sum is σ = 3378752832. Its totient is φ = 1055860200.

The previous prime is 2182111133. The next prime is 2182111171. The reversal of 2182111142 is 2411112812.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 17597609 + ... + 17597732.

It is an arithmetic number, because the mean of its divisors is an integer number (422344104).

Almost surely, 2^2182111142 is an apocalyptic number.

2182111142 is a deficient number, since it is larger than the sum of its proper divisors (1196641690).

2182111142 is a wasteful number, since it uses less digits than its factorization.

2182111142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35195374.

The product of its digits is 256, while the sum is 23.

The square root of 2182111142 is about 46713.0724958228. The cubic root of 2182111142 is about 1297.0566827107.

Adding to 2182111142 its reverse (2411112812), we get a palindrome (4593223954).

The spelling of 2182111142 in words is "two billion, one hundred eighty-two million, one hundred eleven thousand, one hundred forty-two".