2021303211213 has 16 divisors (see below), whose sum is σ = 3166237198656. Its totient is φ = 1130798999040.

The previous prime is 2021303211211. The next prime is 2021303211233. The reversal of 2021303211213 is 3121123031202.

It is not a de Polignac number, because 2021303211213 - 2¹ = 2021303211211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2021303211213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021303211211) 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, 2355830820 + ... + 2355831677.

It is an arithmetic number, because the mean of its divisors is an integer number (197889824916).

Almost surely, 2^{2021303211213} is an apocalyptic number.

It is an amenable number.

2021303211213 is a deficient number, since it is larger than the sum of its proper divisors (1144933987443).

2021303211213 is a wasteful number, since it uses less digits than its factorization.

2021303211213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4711662524.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2021303211213 its reverse (3121123031202), we get a palindrome (5142426242415).

The spelling of 2021303211213 in words is "two trillion, twenty-one billion, three hundred three million, two hundred eleven thousand, two hundred thirteen".