3321000112021 has 2 divisors, whose sum is σ = 3321000112022. Its totient is φ = 3321000112020.

The previous prime is 3321000112009. The next prime is 3321000112057. The reversal of 3321000112021 is 1202110001233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2356501308100 + 964498803921 = 1535090^2 + 982089^2 .

It is an emirp because it is prime and its reverse (1202110001233) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3321000112021 - 2¹⁹ = 3320999587733 is a prime.

It is a super-2 number, since 2×3321000112021² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3321000111986 and 3321000112004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3321000112921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1660500056010 + 1660500056011.

It is an arithmetic number, because the mean of its divisors is an integer number (1660500056011).

Almost surely, 2^{3321000112021} is an apocalyptic number.

It is an amenable number.

3321000112021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3321000112021 is an equidigital number, since it uses as much as digits as its factorization.

3321000112021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 3321000112021 its reverse (1202110001233), we get a palindrome (4523110113254).

The spelling of 3321000112021 in words is "three trillion, three hundred twenty-one billion, one hundred twelve thousand, twenty-one".