2021303142213 has 4 divisors (see below), whose sum is σ = 2695070856288. Its totient is φ = 1347535428140.

The previous prime is 2021303142101. The next prime is 2021303142247. The reversal of 2021303142213 is 3122413031202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2021303142213 - 2²⁹ = 2020766271301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021303102213) 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, 336883857033 + ... + 336883857038.

It is an arithmetic number, because the mean of its divisors is an integer number (673767714072).

Almost surely, 2^{2021303142213} is an apocalyptic number.

It is an amenable number.

2021303142213 is a deficient number, since it is larger than the sum of its proper divisors (673767714075).

2021303142213 is an equidigital number, since it uses as much as digits as its factorization.

2021303142213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673767714074.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2021303142213 its reverse (3122413031202), we get a palindrome (5143716173415).

The spelling of 2021303142213 in words is "two trillion, twenty-one billion, three hundred three million, one hundred forty-two thousand, two hundred thirteen".