2021110003013 has 4 divisors (see below), whose sum is σ = 2021159127660. Its totient is φ = 2021060878368.

The previous prime is 2021110002959. The next prime is 2021110003021. The reversal of 2021110003013 is 3103000111202.

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 1235516725444 + 785593277569 = 1111538^2 + 886337^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021110003013 - 2²⁰ = 2021108954437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021110003043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24500558 + ... + 24582911.

It is an arithmetic number, because the mean of its divisors is an integer number (505289781915).

Almost surely, 2^{2021110003013} is an apocalyptic number.

It is an amenable number.

2021110003013 is a deficient number, since it is larger than the sum of its proper divisors (49124647).

2021110003013 is an equidigital number, since it uses as much as digits as its factorization.

2021110003013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49124646.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 2021110003013 its reverse (3103000111202), we get a palindrome (5124110114215).

The spelling of 2021110003013 in words is "two trillion, twenty-one billion, one hundred ten million, three thousand, thirteen".