4211431121 has 2 divisors, whose sum is σ = 4211431122. Its totient is φ = 4211431120.

The previous prime is 4211431109. The next prime is 4211431129. The reversal of 4211431121 is 1211341124.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3831610000 + 379821121 = 61900^2 + 19489^2 .

It is a cyclic number.

It is not a de Polignac number, because 4211431121 - 2²⁶ = 4144322257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4211431093 and 4211431102.

It is not a weakly prime, because it can be changed into another prime (4211431129) 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, 2105715560 + 2105715561.

It is an arithmetic number, because the mean of its divisors is an integer number (2105715561).

Almost surely, 2^4211431121 is an apocalyptic number.

It is an amenable number.

4211431121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4211431121 is an equidigital number, since it uses as much as digits as its factorization.

4211431121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192, while the sum is 20.

The square root of 4211431121 is about 64895.5400701774. The cubic root of 4211431121 is about 1614.8910738805.

Adding to 4211431121 its reverse (1211341124), we get a palindrome (5422772245).

The spelling of 4211431121 in words is "four billion, two hundred eleven million, four hundred thirty-one thousand, one hundred twenty-one".