2021320012203 has 12 divisors (see below), whose sum is σ = 2922691358808. Its totient is φ = 1346158876320.

The previous prime is 2021320012189. The next prime is 2021320012211. The reversal of 2021320012203 is 3022100231202.

It is not a de Polignac number, because 2021320012203 - 2²⁴ = 2021303234987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021320012273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115640650 + ... + 115658127.

It is an arithmetic number, because the mean of its divisors is an integer number (243557613234).

Almost surely, 2^{2021320012203} is an apocalyptic number.

2021320012203 is a deficient number, since it is larger than the sum of its proper divisors (901371346605).

2021320012203 is a wasteful number, since it uses less digits than its factorization.

2021320012203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231299754 (or 231299751 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2021320012203 its reverse (3022100231202), we get a palindrome (5043420243405).

The spelling of 2021320012203 in words is "two trillion, twenty-one billion, three hundred twenty million, twelve thousand, two hundred three".