3312002020021 has 4 divisors (see below), whose sum is σ = 3456002107872. Its totient is φ = 3168001932172.

The previous prime is 3312002019979. The next prime is 3312002020087. The reversal of 3312002020021 is 1200202002133.

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 3312002020021 - 2⁹ = 3312002019509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3312002019977 and 3312002020004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3312002020091) 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, 72000043891 + ... + 72000043936.

It is an arithmetic number, because the mean of its divisors is an integer number (864000526968).

Almost surely, 2^{3312002020021} is an apocalyptic number.

It is an amenable number.

3312002020021 is a deficient number, since it is larger than the sum of its proper divisors (144000087851).

3312002020021 is a wasteful number, since it uses less digits than its factorization.

3312002020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144000087850.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 3312002020021 its reverse (1200202002133), we get a palindrome (4512204022154).

It can be divided in two parts, 33 and 12002020021, that multiplied together give a palindrome (396066660693).

The spelling of 3312002020021 in words is "three trillion, three hundred twelve billion, two million, twenty thousand, twenty-one".