2021203343331 has 12 divisors (see below), whose sum is σ = 2923046200152. Its totient is φ = 1345839544896.

The previous prime is 2021203343311. The next prime is 2021203343387. The reversal of 2021203343331 is 1333433021202.

2021203343331 is a `hidden beast` number, since 2 + 0 + 21 + 203 + 3 + 433 + 3 + 1 = 666.

It is not a de Polignac number, because 2021203343331 - 2²⁵ = 2021169788899 is a prime.

It is a super-2 number, since 2×2021203343331² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2021203343295 and 2021203343304.

It is not an unprimeable number, because it can be changed into a prime (2021203343311) 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, 135771366 + ... + 135786251.

It is an arithmetic number, because the mean of its divisors is an integer number (243587183346).

Almost surely, 2^{2021203343331} is an apocalyptic number.

2021203343331 is a deficient number, since it is larger than the sum of its proper divisors (901842856821).

2021203343331 is a wasteful number, since it uses less digits than its factorization.

2021203343331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271558450 (or 271558447 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 2021203343331 its reverse (1333433021202), we get a palindrome (3354636364533).

The spelling of 2021203343331 in words is "two trillion, twenty-one billion, two hundred three million, three hundred forty-three thousand, three hundred thirty-one".