103133020121 has 2 divisors, whose sum is σ = 103133020122. Its totient is φ = 103133020120.

The previous prime is 103133020117. The next prime is 103133020157. The reversal of 103133020121 is 121020331301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88019022400 + 15113997721 = 296680^2 + 122939^2 .

It is a cyclic number.

It is not a de Polignac number, because 103133020121 - 2² = 103133020117 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 103133020121.

It is not a weakly prime, because it can be changed into another prime (103133020181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51566510060 + 51566510061.

It is an arithmetic number, because the mean of its divisors is an integer number (51566510061).

Almost surely, 2^103133020121 is an apocalyptic number.

It is an amenable number.

103133020121 is a deficient number, since it is larger than the sum of its proper divisors (1).

103133020121 is an equidigital number, since it uses as much as digits as its factorization.

103133020121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 103133020121 its reverse (121020331301), we get a palindrome (224153351422).

The spelling of 103133020121 in words is "one hundred three billion, one hundred thirty-three million, twenty thousand, one hundred twenty-one".