3013221200261 has 2 divisors, whose sum is σ = 3013221200262. Its totient is φ = 3013221200260.

The previous prime is 3013221200201. The next prime is 3013221200273. The reversal of 3013221200261 is 1620021223103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2844936649636 + 168284550625 = 1686694^2 + 410225^2 .

It is a cyclic number.

It is not a de Polignac number, because 3013221200261 - 2²⁶ = 3013154091397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3013221200201) 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, 1506610600130 + 1506610600131.

It is an arithmetic number, because the mean of its divisors is an integer number (1506610600131).

Almost surely, 2^{3013221200261} is an apocalyptic number.

It is an amenable number.

3013221200261 is a deficient number, since it is larger than the sum of its proper divisors (1).

3013221200261 is an equidigital number, since it uses as much as digits as its factorization.

3013221200261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 3013221200261 its reverse (1620021223103), we get a palindrome (4633242423364).

The spelling of 3013221200261 in words is "three trillion, thirteen billion, two hundred twenty-one million, two hundred thousand, two hundred sixty-one".