3221010101 has 2 divisors, whose sum is σ = 3221010102. Its totient is φ = 3221010100.

The previous prime is 3221009983. The next prime is 3221010139. The reversal of 3221010101 is 1010101223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3125928100 + 95082001 = 55910^2 + 9751^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3221010101 is a prime.

3221010101 is a modest number, since divided by 10101 gives 3221 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3221012101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610505050 + 1610505051.

It is an arithmetic number, because the mean of its divisors is an integer number (1610505051).

Almost surely, 2^3221010101 is an apocalyptic number.

It is an amenable number.

3221010101 is a deficient number, since it is larger than the sum of its proper divisors (1).

3221010101 is an equidigital number, since it uses as much as digits as its factorization.

3221010101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 3221010101 is about 56753.9434841316. The cubic root of 3221010101 is about 1476.8306449160.

Adding to 3221010101 its reverse (1010101223), we get a palindrome (4231111324).

The spelling of 3221010101 in words is "three billion, two hundred twenty-one million, ten thousand, one hundred one".