5112144221 has 2 divisors, whose sum is σ = 5112144222. Its totient is φ = 5112144220.

The previous prime is 5112144211. The next prime is 5112144227. The reversal of 5112144221 is 1224412115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2723378596 + 2388765625 = 52186^2 + 48875^2 .

It is a cyclic number.

It is not a de Polignac number, because 5112144221 - 2²⁶ = 5045035357 is a prime.

It is a super-2 number, since 2×5112144221² = 52268037072607393682, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5112144227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2556072110 + 2556072111.

It is an arithmetic number, because the mean of its divisors is an integer number (2556072111).

Almost surely, 2^5112144221 is an apocalyptic number.

It is an amenable number.

5112144221 is a deficient number, since it is larger than the sum of its proper divisors (1).

5112144221 is an equidigital number, since it uses as much as digits as its factorization.

5112144221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 640, while the sum is 23.

The square root of 5112144221 is about 71499.2602828868. The cubic root of 5112144221 is about 1722.6658027417.

Adding to 5112144221 its reverse (1224412115), we get a palindrome (6336556336).

The spelling of 5112144221 in words is "five billion, one hundred twelve million, one hundred forty-four thousand, two hundred twenty-one".