2124004211 has 4 divisors (see below), whose sum is σ = 2427433392. Its totient is φ = 1820575032.

The previous prime is 2124004187. The next prime is 2124004217. The reversal of 2124004211 is 1124004212.

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 2124004211 - 2⁶ = 2124004147 is a prime.

It is a super-2 number, since 2×2124004211² = 9022787776691465042, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2124004211.

It is not an unprimeable number, because it can be changed into a prime (2124004217) 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, 151714580 + ... + 151714593.

It is an arithmetic number, because the mean of its divisors is an integer number (606858348).

Almost surely, 2^2124004211 is an apocalyptic number.

2124004211 is a deficient number, since it is larger than the sum of its proper divisors (303429181).

2124004211 is an equidigital number, since it uses as much as digits as its factorization.

2124004211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303429180.

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

The square root of 2124004211 is about 46086.9201726477. The cubic root of 2124004211 is about 1285.4399440368.

Adding to 2124004211 its reverse (1124004212), we get a palindrome (3248008423).

Subtracting from 2124004211 its reverse (1124004212), we obtain a palindrome (999999999).

The spelling of 2124004211 in words is "two billion, one hundred twenty-four million, four thousand, two hundred eleven".