3011221201 has 2 divisors, whose sum is σ = 3011221202. Its totient is φ = 3011221200.

The previous prime is 3011221193. The next prime is 3011221231. The reversal of 3011221201 is 1021221103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2643502225 + 367718976 = 51415^2 + 19176^2 .

It is a cyclic number.

It is not a de Polignac number, because 3011221201 - 2³ = 3011221193 is a prime.

It is not a weakly prime, because it can be changed into another prime (3011221231) 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, 1505610600 + 1505610601.

It is an arithmetic number, because the mean of its divisors is an integer number (1505610601).

Almost surely, 2^3011221201 is an apocalyptic number.

It is an amenable number.

3011221201 is a deficient number, since it is larger than the sum of its proper divisors (1).

3011221201 is an equidigital number, since it uses as much as digits as its factorization.

3011221201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 3011221201 is about 54874.5952240196. The cubic root of 3011221201 is about 1444.0455298871.

Adding to 3011221201 its reverse (1021221103), we get a palindrome (4032442304).

The spelling of 3011221201 in words is "three billion, eleven million, two hundred twenty-one thousand, two hundred one".