2021005500213 has 16 divisors (see below), whose sum is σ = 3080313000576. Its totient is φ = 1154603196480.

The previous prime is 2021005500193. The next prime is 2021005500221. The reversal of 2021005500213 is 3120055001202.

It is not a de Polignac number, because 2021005500213 - 2⁵ = 2021005500181 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2021005500213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021005500253) 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, 10615458 + ... + 10804163.

It is an arithmetic number, because the mean of its divisors is an integer number (192519562536).

Almost surely, 2^{2021005500213} is an apocalyptic number.

It is an amenable number.

2021005500213 is a deficient number, since it is larger than the sum of its proper divisors (1059307500363).

2021005500213 is a wasteful number, since it uses less digits than its factorization.

2021005500213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21424124.

The product of its (nonzero) digits is 600, while the sum is 21.

The spelling of 2021005500213 in words is "two trillion, twenty-one billion, five million, five hundred thousand, two hundred thirteen".