5100015121 has 2 divisors, whose sum is σ = 5100015122. Its totient is φ = 5100015120.

The previous prime is 5100015091. The next prime is 5100015163. The reversal of 5100015121 is 1215100015.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3210808896 + 1889206225 = 56664^2 + 43465^2 .

It is a cyclic number.

It is not a de Polignac number, because 5100015121 - 2⁷ = 5100014993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5100015095 and 5100015104.

It is not a weakly prime, because it can be changed into another prime (5100010121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2550007560 + 2550007561.

It is an arithmetic number, because the mean of its divisors is an integer number (2550007561).

Almost surely, 2^5100015121 is an apocalyptic number.

It is an amenable number.

5100015121 is a deficient number, since it is larger than the sum of its proper divisors (1).

5100015121 is an equidigital number, since it uses as much as digits as its factorization.

5100015121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50, while the sum is 16.

The square root of 5100015121 is about 71414.3901535258. The cubic root of 5100015121 is about 1721.3023218872.

Adding to 5100015121 its reverse (1215100015), we get a palindrome (6315115136).

The spelling of 5100015121 in words is "five billion, one hundred million, fifteen thousand, one hundred twenty-one".