120421210043 has 2 divisors, whose sum is σ = 120421210044. Its totient is φ = 120421210042.

The previous prime is 120421209977. The next prime is 120421210073. The reversal of 120421210043 is 340012124021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120421210043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120421209997 and 120421210024.

It is not a weakly prime, because it can be changed into another prime (120421210073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60210605021 + 60210605022.

It is an arithmetic number, because the mean of its divisors is an integer number (60210605022).

Almost surely, 2^120421210043 is an apocalyptic number.

120421210043 is a deficient number, since it is larger than the sum of its proper divisors (1).

120421210043 is an equidigital number, since it uses as much as digits as its factorization.

120421210043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 120421210043 its reverse (340012124021), we get a palindrome (460433334064).

The spelling of 120421210043 in words is "one hundred twenty billion, four hundred twenty-one million, two hundred ten thousand, forty-three".