3223112021 has 2 divisors, whose sum is σ = 3223112022. Its totient is φ = 3223112020.

The previous prime is 3223112017. The next prime is 3223112027. The reversal of 3223112021 is 1202113223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3007315921 + 215796100 = 54839^2 + 14690^2 .

It is a cyclic number.

It is not a de Polignac number, because 3223112021 - 2² = 3223112017 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3223112027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1611556010 + 1611556011.

It is an arithmetic number, because the mean of its divisors is an integer number (1611556011).

Almost surely, 2^3223112021 is an apocalyptic number.

It is an amenable number.

3223112021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3223112021 is an equidigital number, since it uses as much as digits as its factorization.

3223112021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3223112021 is about 56772.4582962549. The cubic root of 3223112021 is about 1477.1518179631.

Adding to 3223112021 its reverse (1202113223), we get a palindrome (4425225244).

The spelling of 3223112021 in words is "three billion, two hundred twenty-three million, one hundred twelve thousand, twenty-one".