2111211763 has 2 divisors, whose sum is σ = 2111211764. Its totient is φ = 2111211762.

The previous prime is 2111211643. The next prime is 2111211779. The reversal of 2111211763 is 3671121112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2111211763 - 2²⁵ = 2077657331 is a prime.

It is not a weakly prime, because it can be changed into another prime (2111251763) 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, 1055605881 + 1055605882.

It is an arithmetic number, because the mean of its divisors is an integer number (1055605882).

Almost surely, 2^2111211763 is an apocalyptic number.

2111211763 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111211763 is an equidigital number, since it uses as much as digits as its factorization.

2111211763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504, while the sum is 25.

The square root of 2111211763 is about 45947.9244689028. The cubic root of 2111211763 is about 1282.8540974126.

Adding to 2111211763 its reverse (3671121112), we get a palindrome (5782332875).

The spelling of 2111211763 in words is "two billion, one hundred eleven million, two hundred eleven thousand, seven hundred sixty-three".