3522121321 has 2 divisors, whose sum is σ = 3522121322. Its totient is φ = 3522121320.

The previous prime is 3522121303. The next prime is 3522121367. The reversal of 3522121321 is 1231212253.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3270581721 + 251539600 = 57189^2 + 15860^2 .

It is an emirp because it is prime and its reverse (1231212253) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3522121321 - 2⁷ = 3522121193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3522121292 and 3522121301.

It is not a weakly prime, because it can be changed into another prime (3522121121) 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, 1761060660 + 1761060661.

It is an arithmetic number, because the mean of its divisors is an integer number (1761060661).

Almost surely, 2^3522121321 is an apocalyptic number.

It is an amenable number.

3522121321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3522121321 is an equidigital number, since it uses as much as digits as its factorization.

3522121321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 22.

The square root of 3522121321 is about 59347.4626332078. The cubic root of 3522121321 is about 1521.4865018380.

Adding to 3522121321 its reverse (1231212253), we get a palindrome (4753333574).

The spelling of 3522121321 in words is "three billion, five hundred twenty-two million, one hundred twenty-one thousand, three hundred twenty-one".