2021003013003 has 16 divisors (see below), whose sum is σ = 2902371040800. Its totient is φ = 1243515020544.

The previous prime is 2021003012947. The next prime is 2021003013031. The reversal of 2021003013003 is 3003103001202.

It is not a de Polignac number, because 2021003013003 - 2¹² = 2021003008907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021003013703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3457626 + ... + 3999647.

It is an arithmetic number, because the mean of its divisors is an integer number (181398190050).

Almost surely, 2^{2021003013003} is an apocalyptic number.

2021003013003 is a deficient number, since it is larger than the sum of its proper divisors (881368027797).

2021003013003 is a wasteful number, since it uses less digits than its factorization.

2021003013003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7464238.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 2021003013003 its reverse (3003103001202), we get a palindrome (5024106014205).

The spelling of 2021003013003 in words is "two trillion, twenty-one billion, three million, thirteen thousand, three".