3021011220221 has 16 divisors (see below), whose sum is σ = 3068656994304. Its totient is φ = 2973800438784.

The previous prime is 3021011220197. The next prime is 3021011220223. The reversal of 3021011220221 is 1220221101203.

3021011220221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3021011220221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3021011220221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3021011220223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12152645 + ... + 12398741.

It is an arithmetic number, because the mean of its divisors is an integer number (191791062144).

Almost surely, 2^{3021011220221} is an apocalyptic number.

It is an amenable number.

3021011220221 is a deficient number, since it is larger than the sum of its proper divisors (47645774083).

3021011220221 is a wasteful number, since it uses less digits than its factorization.

3021011220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246980.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 3021011220221 its reverse (1220221101203), we get a palindrome (4241232321424).

The spelling of 3021011220221 in words is "three trillion, twenty-one billion, eleven million, two hundred twenty thousand, two hundred twenty-one".