2112004311 has 4 divisors (see below), whose sum is σ = 2816005752. Its totient is φ = 1408002872.

The previous prime is 2112004303. The next prime is 2112004331. The reversal of 2112004311 is 1134002112.

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 2112004311 - 2³ = 2112004303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112004331) 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, 352000716 + ... + 352000721.

It is an arithmetic number, because the mean of its divisors is an integer number (704001438).

Almost surely, 2^2112004311 is an apocalyptic number.

2112004311 is a deficient number, since it is larger than the sum of its proper divisors (704001441).

2112004311 is an equidigital number, since it uses as much as digits as its factorization.

2112004311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704001440.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2112004311 is about 45956.5480753287. The cubic root of 2112004311 is about 1283.0146049574.

Adding to 2112004311 its reverse (1134002112), we get a palindrome (3246006423).

The spelling of 2112004311 in words is "two billion, one hundred twelve million, four thousand, three hundred eleven".