2142330211 has 4 divisors (see below), whose sum is σ = 2448377392. Its totient is φ = 1836283032.

The previous prime is 2142330209. The next prime is 2142330221. The reversal of 2142330211 is 1120332412.

It is a happy number.

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 2142330211 - 2¹ = 2142330209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142330221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153023580 + ... + 153023593.

It is an arithmetic number, because the mean of its divisors is an integer number (612094348).

Almost surely, 2^2142330211 is an apocalyptic number.

2142330211 is a deficient number, since it is larger than the sum of its proper divisors (306047181).

2142330211 is an equidigital number, since it uses as much as digits as its factorization.

2142330211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306047180.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2142330211 is about 46285.3131241434. The cubic root of 2142330211 is about 1289.1263060186.

Adding to 2142330211 its reverse (1120332412), we get a palindrome (3262662623).

The spelling of 2142330211 in words is "two billion, one hundred forty-two million, three hundred thirty thousand, two hundred eleven".