3320021212121 has 8 divisors (see below), whose sum is σ = 3339849816000. Its totient is φ = 3300224059440.

The previous prime is 3320021212111. The next prime is 3320021212141. The reversal of 3320021212121 is 1212121200233.

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

It is a cyclic number.

It is not a de Polignac number, because 3320021212121 - 2¹⁸ = 3320020949977 is a prime.

It is a super-2 number, since 2×3320021212121² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3320021212093 and 3320021212102.

It is not an unprimeable number, because it can be changed into a prime (3320021212111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7651031 + ... + 8073308.

It is an arithmetic number, because the mean of its divisors is an integer number (417481227000).

Almost surely, 2^{3320021212121} is an apocalyptic number.

It is an amenable number.

3320021212121 is a deficient number, since it is larger than the sum of its proper divisors (19828603879).

3320021212121 is a wasteful number, since it uses less digits than its factorization.

3320021212121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15725599.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 3320021212121 its reverse (1212121200233), we get a palindrome (4532142412354).

The spelling of 3320021212121 in words is "three trillion, three hundred twenty billion, twenty-one million, two hundred twelve thousand, one hundred twenty-one".