2103000001 has 4 divisors (see below), whose sum is σ = 2104294192. Its totient is φ = 2101705812.

The previous prime is 2102999999. The next prime is 2103000023. The reversal of 2103000001 is 1000003012.

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 2103000001 - 2¹ = 2102999999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2103006001) 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, 644655 + ... + 647908.

It is an arithmetic number, because the mean of its divisors is an integer number (526073548).

Almost surely, 2^2103000001 is an apocalyptic number.

It is an amenable number.

2103000001 is a deficient number, since it is larger than the sum of its proper divisors (1294191).

2103000001 is a wasteful number, since it uses less digits than its factorization.

2103000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294190.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 2103000001 is about 45858.4779620955. The cubic root of 2103000001 is about 1281.1886746424.

Adding to 2103000001 its reverse (1000003012), we get a palindrome (3103003013).

The spelling of 2103000001 in words is "two billion, one hundred three million, one", and thus it is an aban number.