3021113123221 has 32 divisors (see below), whose sum is σ = 3179399295456. Its totient is φ = 2867788800000.

The previous prime is 3021113123143. The next prime is 3021113123233. The reversal of 3021113123221 is 1223213111203.

It can be written as a sum of positive squares in 16 ways, for example, as 3892012996 + 3017221110225 = 62386^2 + 1737015^2 .

It is a cyclic number.

It is not a de Polignac number, because 3021113123221 - 2³⁷ = 2883674169749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3021113123192 and 3021113123201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3021113123921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 327629391 + ... + 327638611.

It is an arithmetic number, because the mean of its divisors is an integer number (99356227983).

Almost surely, 2^{3021113123221} is an apocalyptic number.

It is an amenable number.

3021113123221 is a deficient number, since it is larger than the sum of its proper divisors (158286172235).

3021113123221 is a wasteful number, since it uses less digits than its factorization.

3021113123221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10633.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 3021113123221 its reverse (1223213111203), we get a palindrome (4244326234424).

The spelling of 3021113123221 in words is "three trillion, twenty-one billion, one hundred thirteen million, one hundred twenty-three thousand, two hundred twenty-one".