4120111132121 has 2 divisors, whose sum is σ = 4120111132122. Its totient is φ = 4120111132120.

The previous prime is 4120111132087. The next prime is 4120111132127. The reversal of 4120111132121 is 1212311110214.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2344450945600 + 1775660186521 = 1531160^2 + 1332539^2 .

It is a cyclic number.

It is not a de Polignac number, because 4120111132121 - 2¹⁴ = 4120111115737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4120111132093 and 4120111132102.

It is not a weakly prime, because it can be changed into another prime (4120111132127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2060055566060 + 2060055566061.

It is an arithmetic number, because the mean of its divisors is an integer number (2060055566061).

Almost surely, 2^{4120111132121} is an apocalyptic number.

It is an amenable number.

4120111132121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4120111132121 is an equidigital number, since it uses as much as digits as its factorization.

4120111132121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 4120111132121 its reverse (1212311110214), we get a palindrome (5332422242335).

The spelling of 4120111132121 in words is "four trillion, one hundred twenty billion, one hundred eleven million, one hundred thirty-two thousand, one hundred twenty-one".