2021203020322 has 8 divisors (see below), whose sum is σ = 3105750982572. Its totient is φ = 985952692800.

The previous prime is 2021203020293. The next prime is 2021203020337. The reversal of 2021203020322 is 2230203021202.

It can be written as a sum of positive squares in 2 ways, for example, as 2020033995841 + 1169024481 = 1421279^2 + 34191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2021203020322.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12324408579 + ... + 12324408742.

Almost surely, 2^{2021203020322} is an apocalyptic number.

2021203020322 is a deficient number, since it is larger than the sum of its proper divisors (1084547962250).

2021203020322 is a wasteful number, since it uses less digits than its factorization.

2021203020322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24648817364.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 2021203020322 its reverse (2230203021202), we get a palindrome (4251406041524).

The spelling of 2021203020322 in words is "two trillion, twenty-one billion, two hundred three million, twenty thousand, three hundred twenty-two".