2003130000021 has 8 divisors (see below), whose sum is σ = 2671384755520. Its totient is φ = 1335147622272.

The previous prime is 2003130000019. The next prime is 2003130000059. The reversal of 2003130000021 is 1200000313002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2003130000021 - 2¹ = 2003130000019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2003129999961 and 2003130000006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003130000061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68077276 + ... + 68106693.

It is an arithmetic number, because the mean of its divisors is an integer number (333923094440).

Almost surely, 2^{2003130000021} is an apocalyptic number.

It is an amenable number.

2003130000021 is a deficient number, since it is larger than the sum of its proper divisors (668254755499).

2003130000021 is a wasteful number, since it uses less digits than its factorization.

2003130000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136188875.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 2003130000021 its reverse (1200000313002), we get a palindrome (3203130313023).

The spelling of 2003130000021 in words is "two trillion, three billion, one hundred thirty million, twenty-one", and thus it is an aban number.