2103112001 has 4 divisors (see below), whose sum is σ = 2104531632. Its totient is φ = 2101692372.

The previous prime is 2103111949. The next prime is 2103112049. The reversal of 2103112001 is 1002113012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2103112001 - 2⁶ = 2103111937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2103117001) 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, 707591 + ... + 710556.

It is an arithmetic number, because the mean of its divisors is an integer number (526132908).

Almost surely, 2^2103112001 is an apocalyptic number.

It is an amenable number.

2103112001 is a deficient number, since it is larger than the sum of its proper divisors (1419631).

2103112001 is a wasteful number, since it uses less digits than its factorization.

2103112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419630.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 2103112001 is about 45859.6990940848. The cubic root of 2103112001 is about 1281.2114184345.

Adding to 2103112001 its reverse (1002113012), we get a palindrome (3105225013).

The spelling of 2103112001 in words is "two billion, one hundred three million, one hundred twelve thousand, one".