2120422043 has 2 divisors, whose sum is σ = 2120422044. Its totient is φ = 2120422042.

The previous prime is 2120422009. The next prime is 2120422081. The reversal of 2120422043 is 3402240212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2120422043 - 2¹⁰ = 2120421019 is a prime.

It is not a weakly prime, because it can be changed into another prime (2120422093) 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, 1060211021 + 1060211022.

It is an arithmetic number, because the mean of its divisors is an integer number (1060211022).

Almost surely, 2^2120422043 is an apocalyptic number.

2120422043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120422043 is an equidigital number, since it uses as much as digits as its factorization.

2120422043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2120422043 is about 46048.0405989223. The cubic root of 2120422043 is about 1284.7168988799.

Adding to 2120422043 its reverse (3402240212), we get a palindrome (5522662255).

The spelling of 2120422043 in words is "two billion, one hundred twenty million, four hundred twenty-two thousand, forty-three".