2021000001013 has 8 divisors (see below), whose sum is σ = 2372138997632. Its totient is φ = 1685467182096.

The previous prime is 2021000001011. The next prime is 2021000001089. The reversal of 2021000001013 is 3101000001202.

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 2021000001013 - 2¹ = 2021000001011 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 (2021000001011) 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, 3901544145 + ... + 3901544662.

It is an arithmetic number, because the mean of its divisors is an integer number (296517374704).

Almost surely, 2^{2021000001013} is an apocalyptic number.

It is an amenable number.

2021000001013 is a deficient number, since it is larger than the sum of its proper divisors (351138996619).

2021000001013 is an equidigital number, since it uses as much as digits as its factorization.

2021000001013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7803088851.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 2021000001013 its reverse (3101000001202), we get a palindrome (5122000002215).

The spelling of 2021000001013 in words is "two trillion, twenty-one billion, one thousand, thirteen".