2110220243 has 2 divisors, whose sum is σ = 2110220244. Its totient is φ = 2110220242.

The previous prime is 2110220239. The next prime is 2110220249. The reversal of 2110220243 is 3420220112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2110220243 - 2² = 2110220239 is a prime.

It is not a weakly prime, because it can be changed into another prime (2110220249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055110121 + 1055110122.

It is an arithmetic number, because the mean of its divisors is an integer number (1055110122).

Almost surely, 2^2110220243 is an apocalyptic number.

2110220243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2110220243 is an equidigital number, since it uses as much as digits as its factorization.

2110220243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2110220243 is about 45937.1335958177. The cubic root of 2110220243 is about 1282.6532373039.

Adding to 2110220243 its reverse (3420220112), we get a palindrome (5530440355).

The spelling of 2110220243 in words is "two billion, one hundred ten million, two hundred twenty thousand, two hundred forty-three".