103311330121 has 2 divisors, whose sum is σ = 103311330122. Its totient is φ = 103311330120.

The previous prime is 103311330091. The next prime is 103311330163. The reversal of 103311330121 is 121033113301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87216855625 + 16094474496 = 295325^2 + 126864^2 .

It is a cyclic number.

It is not a de Polignac number, because 103311330121 - 2³¹ = 101163846473 is a prime.

It is not a weakly prime, because it can be changed into another prime (103311337121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51655665060 + 51655665061.

It is an arithmetic number, because the mean of its divisors is an integer number (51655665061).

Almost surely, 2^103311330121 is an apocalyptic number.

It is an amenable number.

103311330121 is a deficient number, since it is larger than the sum of its proper divisors (1).

103311330121 is an equidigital number, since it uses as much as digits as its factorization.

103311330121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 103311330121 its reverse (121033113301), we get a palindrome (224344443422).

The spelling of 103311330121 in words is "one hundred three billion, three hundred eleven million, three hundred thirty thousand, one hundred twenty-one".