200111100979 has 2 divisors, whose sum is σ = 200111100980. Its totient is φ = 200111100978.

The previous prime is 200111100967. The next prime is 200111101039. The reversal of 200111100979 is 979001111002.

It is a happy number.

200111100979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200111100979 - 2⁵ = 200111100947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200111100979.

It is not a weakly prime, because it can be changed into another prime (200111101979) 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, 100055550489 + 100055550490.

It is an arithmetic number, because the mean of its divisors is an integer number (100055550490).

Almost surely, 2^200111100979 is an apocalyptic number.

200111100979 is a deficient number, since it is larger than the sum of its proper divisors (1).

200111100979 is an equidigital number, since it uses as much as digits as its factorization.

200111100979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 31.

The spelling of 200111100979 in words is "two hundred billion, one hundred eleven million, one hundred thousand, nine hundred seventy-nine".