5203110240121 has 2 divisors, whose sum is σ = 5203110240122. Its totient is φ = 5203110240120.

The previous prime is 5203110240109. The next prime is 5203110240127. The reversal of 5203110240121 is 1210420113025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4651833689721 + 551276550400 = 2156811^2 + 742480^2 .

It is a cyclic number.

It is not a de Polignac number, because 5203110240121 - 2⁷ = 5203110239993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5203110240092 and 5203110240101.

It is not a weakly prime, because it can be changed into another prime (5203110240127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2601555120060 + 2601555120061.

It is an arithmetic number, because the mean of its divisors is an integer number (2601555120061).

Almost surely, 2^{5203110240121} is an apocalyptic number.

It is an amenable number.

5203110240121 is a deficient number, since it is larger than the sum of its proper divisors (1).

5203110240121 is an equidigital number, since it uses as much as digits as its factorization.

5203110240121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 5203110240121 its reverse (1210420113025), we get a palindrome (6413530353146).

The spelling of 5203110240121 in words is "five trillion, two hundred three billion, one hundred ten million, two hundred forty thousand, one hundred twenty-one".