5210112121 has 2 divisors, whose sum is σ = 5210112122. Its totient is φ = 5210112120.

The previous prime is 5210112109. The next prime is 5210112133. The reversal of 5210112121 is 1212110125.

It is a balanced prime because it is at equal distance from previous prime (5210112109) and next prime (5210112133).

It can be written as a sum of positive squares in only one way, i.e., 2795765625 + 2414346496 = 52875^2 + 49136^2 .

It is a cyclic number.

It is not a de Polignac number, because 5210112121 - 2¹⁵ = 5210079353 is a prime.

It is a super-2 number, since 2×5210112121² = 54290536626782237282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5210112095 and 5210112104.

It is not a weakly prime, because it can be changed into another prime (5210112101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2605056060 + 2605056061.

It is an arithmetic number, because the mean of its divisors is an integer number (2605056061).

Almost surely, 2^5210112121 is an apocalyptic number.

It is an amenable number.

5210112121 is a deficient number, since it is larger than the sum of its proper divisors (1).

5210112121 is an equidigital number, since it uses as much as digits as its factorization.

5210112121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 5210112121 is about 72181.1063991125. The cubic root of 5210112121 is about 1733.6004982131.

Adding to 5210112121 its reverse (1212110125), we get a palindrome (6422222246).

The spelling of 5210112121 in words is "five billion, two hundred ten million, one hundred twelve thousand, one hundred twenty-one".