2042003203021 has 8 divisors (see below), whose sum is σ = 2047288292000. Its totient is φ = 2036724931440.

The previous prime is 2042003202959. The next prime is 2042003203063. The reversal of 2042003203021 is 1203023002402.

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

It is a cyclic number.

It is not a de Polignac number, because 2042003203021 - 2⁷ = 2042003202893 is a prime.

It is a super-2 number, since 2×2042003203021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2042003203021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042003203321) 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, 1104246 + ... + 2302903.

It is an arithmetic number, because the mean of its divisors is an integer number (255911036500).

Almost surely, 2^{2042003203021} is an apocalyptic number.

It is an amenable number.

2042003203021 is a deficient number, since it is larger than the sum of its proper divisors (5285088979).

2042003203021 is an equidigital number, since it uses as much as digits as its factorization.

2042003203021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3408699.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 2042003203021 its reverse (1203023002402), we get a palindrome (3245026205423).

The spelling of 2042003203021 in words is "two trillion, forty-two billion, three million, two hundred three thousand, twenty-one".