2320421111 has 2 divisors, whose sum is σ = 2320421112. Its totient is φ = 2320421110.

The previous prime is 2320421093. The next prime is 2320421237. The reversal of 2320421111 is 1111240232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2320421111 - 2¹⁴ = 2320404727 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2320421111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2320421011) 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, 1160210555 + 1160210556.

It is an arithmetic number, because the mean of its divisors is an integer number (1160210556).

Almost surely, 2^2320421111 is an apocalyptic number.

2320421111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2320421111 is an equidigital number, since it uses as much as digits as its factorization.

2320421111 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 17.

The square root of 2320421111 is about 48170.7495374527. The cubic root of 2320421111 is about 1323.9012818378.

Adding to 2320421111 its reverse (1111240232), we get a palindrome (3431661343).

The spelling of 2320421111 in words is "two billion, three hundred twenty million, four hundred twenty-one thousand, one hundred eleven".