2103765211 has 2 divisors, whose sum is σ = 2103765212. Its totient is φ = 2103765210.

The previous prime is 2103765193. The next prime is 2103765233. The reversal of 2103765211 is 1125673012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2103765211 - 2⁹ = 2103764699 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2103765211.

It is not a weakly prime, because it can be changed into another prime (2103762211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051882605 + 1051882606.

It is an arithmetic number, because the mean of its divisors is an integer number (1051882606).

Almost surely, 2^2103765211 is an apocalyptic number.

2103765211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103765211 is an equidigital number, since it uses as much as digits as its factorization.

2103765211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 2103765211 is about 45866.8203715932. The cubic root of 2103765211 is about 1281.3440494246.

The spelling of 2103765211 in words is "two billion, one hundred three million, seven hundred sixty-five thousand, two hundred eleven".