2021213300320 has 96 divisors (see below), whose sum is σ = 4820349864960. Its totient is φ = 800853081600.

The previous prime is 2021213300303. The next prime is 2021213300347. The reversal of 2021213300320 is 230033121202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9749745 + ... + 9954895.

It is an arithmetic number, because the mean of its divisors is an integer number (50211977760).

Almost surely, 2^{2021213300320} is an apocalyptic number.

2021213300320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021213300320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2410174932480).

2021213300320 is an abundant number, since it is smaller than the sum of its proper divisors (2799136564640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2021213300320 is a wasteful number, since it uses less digits than its factorization.

2021213300320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205748 (or 205740 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 2021213300320 its reverse (230033121202), we get a palindrome (2251246421522).

The spelling of 2021213300320 in words is "two trillion, twenty-one billion, two hundred thirteen million, three hundred thousand, three hundred twenty".