2013003321021 has 192 divisors, whose sum is σ = 3760473600000. Its totient is φ = 1028450102400.

The previous prime is 2013003321001. The next prime is 2013003321083. The reversal of 2013003321021 is 1201233003102.

2013003321021 is a `hidden beast` number, since 2 + 0 + 1 + 300 + 332 + 10 + 21 = 666.

It is not a de Polignac number, because 2013003321021 - 2¹³ = 2013003312829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2013003320985 and 2013003321003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013003321001) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1342896730 + ... + 1342898228.

It is an arithmetic number, because the mean of its divisors is an integer number (19585800000).

Almost surely, 2^{2013003321021} is an apocalyptic number.

2013003321021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2013003321021 is a deficient number, since it is larger than the sum of its proper divisors (1747470278979).

2013003321021 is a wasteful number, since it uses less digits than its factorization.

2013003321021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165 (or 2148 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 2013003321021 its reverse (1201233003102), we get a palindrome (3214236324123).

The spelling of 2013003321021 in words is "two trillion, thirteen billion, three million, three hundred twenty-one thousand, twenty-one".