2103010002001 has 4 divisors (see below), whose sum is σ = 2103123592372. Its totient is φ = 2102896411632.

The previous prime is 2103010001977. The next prime is 2103010002029. The reversal of 2103010002001 is 1002000103012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 237094981776 + 1865915020225 = 486924^2 + 1365985^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103010002001 - 2⁹ = 2103010001489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2104010002001) 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, 56767410 + ... + 56804443.

It is an arithmetic number, because the mean of its divisors is an integer number (525780898093).

Almost surely, 2^{2103010002001} is an apocalyptic number.

It is an amenable number.

2103010002001 is a deficient number, since it is larger than the sum of its proper divisors (113590371).

2103010002001 is a wasteful number, since it uses less digits than its factorization.

2103010002001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113590370.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 2103010002001 its reverse (1002000103012), we get a palindrome (3105010105013).

The spelling of 2103010002001 in words is "two trillion, one hundred three billion, ten million, two thousand, one".