3021300020021 has 4 divisors (see below), whose sum is σ = 3021575220000. Its totient is φ = 3021024820044.

The previous prime is 3021300020017. The next prime is 3021300020059. The reversal of 3021300020021 is 1200200031203.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3021300020021 - 2² = 3021300020017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3021300019978 and 3021300020005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3021300020071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137583521 + ... + 137605478.

It is an arithmetic number, because the mean of its divisors is an integer number (755393805000).

Almost surely, 2^{3021300020021} is an apocalyptic number.

It is an amenable number.

3021300020021 is a deficient number, since it is larger than the sum of its proper divisors (275199979).

3021300020021 is a wasteful number, since it uses less digits than its factorization.

3021300020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275199978.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 3021300020021 its reverse (1200200031203), we get a palindrome (4221500051224).

The spelling of 3021300020021 in words is "three trillion, twenty-one billion, three hundred million, twenty thousand, twenty-one".