121440420332041 has 2 divisors, whose sum is σ = 121440420332042. Its totient is φ = 121440420332040.

The previous prime is 121440420332017. The next prime is 121440420332059. The reversal of 121440420332041 is 140233024044121.

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., 103413848947600 + 18026571384441 = 10169260^2 + 4245771^2 .

It is a cyclic number.

It is not a de Polignac number, because 121440420332041 - 2¹⁷ = 121440420200969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121440420331994 and 121440420332012.

It is not a weakly prime, because it can be changed into another prime (121447420332041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60720210166020 + 60720210166021.

It is an arithmetic number, because the mean of its divisors is an integer number (60720210166021).

Almost surely, 2^{121440420332041} is an apocalyptic number.

It is an amenable number.

121440420332041 is a deficient number, since it is larger than the sum of its proper divisors (1).

121440420332041 is an equidigital number, since it uses as much as digits as its factorization.

121440420332041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 121440420332041 its reverse (140233024044121), we get a palindrome (261673444376162).

The spelling of 121440420332041 in words is "one hundred twenty-one trillion, four hundred forty billion, four hundred twenty million, three hundred thirty-two thousand, forty-one".