120011041421 has 2 divisors, whose sum is σ = 120011041422. Its totient is φ = 120011041420.

The previous prime is 120011041399. The next prime is 120011041483. The reversal of 120011041421 is 124140110021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113427504100 + 6583537321 = 336790^2 + 81139^2 .

It is a cyclic number.

It is not a de Polignac number, because 120011041421 - 2¹⁸ = 120010779277 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 120011041421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120011041321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60005520710 + 60005520711.

It is an arithmetic number, because the mean of its divisors is an integer number (60005520711).

Almost surely, 2^120011041421 is an apocalyptic number.

It is an amenable number.

120011041421 is a deficient number, since it is larger than the sum of its proper divisors (1).

120011041421 is an equidigital number, since it uses as much as digits as its factorization.

120011041421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 120011041421 its reverse (124140110021), we get a palindrome (244151151442).

The spelling of 120011041421 in words is "one hundred twenty billion, eleven million, forty-one thousand, four hundred twenty-one".