2142342211 has 4 divisors (see below), whose sum is σ = 2142571024. Its totient is φ = 2142113400.

The previous prime is 2142342197. The next prime is 2142342221. The reversal of 2142342211 is 1122432412.

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 2142342211 - 2⁵ = 2142342179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142342221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99735 + ... + 119296.

It is an arithmetic number, because the mean of its divisors is an integer number (535642756).

Almost surely, 2^2142342211 is an apocalyptic number.

2142342211 is a deficient number, since it is larger than the sum of its proper divisors (228813).

2142342211 is an equidigital number, since it uses as much as digits as its factorization.

2142342211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228812.

The product of its digits is 768, while the sum is 22.

The square root of 2142342211 is about 46285.4427547150. The cubic root of 2142342211 is about 1289.1287129751.

Adding to 2142342211 its reverse (1122432412), we get a palindrome (3264774623).

The spelling of 2142342211 in words is "two billion, one hundred forty-two million, three hundred forty-two thousand, two hundred eleven".