5301220121 has 2 divisors, whose sum is σ = 5301220122. Its totient is φ = 5301220120.

The previous prime is 5301220117. The next prime is 5301220139. The reversal of 5301220121 is 1210221035.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4578416896 + 722803225 = 67664^2 + 26885^2 .

It is a cyclic number.

It is not a de Polignac number, because 5301220121 - 2² = 5301220117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5301220121.

It is not a weakly prime, because it can be changed into another prime (5301220181) 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, 2650610060 + 2650610061.

It is an arithmetic number, because the mean of its divisors is an integer number (2650610061).

Almost surely, 2^5301220121 is an apocalyptic number.

It is an amenable number.

5301220121 is a deficient number, since it is larger than the sum of its proper divisors (1).

5301220121 is an equidigital number, since it uses as much as digits as its factorization.

5301220121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 5301220121 is about 72809.4782360099. The cubic root of 5301220121 is about 1743.6471832835.

Adding to 5301220121 its reverse (1210221035), we get a palindrome (6511441156).

The spelling of 5301220121 in words is "five billion, three hundred one million, two hundred twenty thousand, one hundred twenty-one".