212101110979 has 2 divisors, whose sum is σ = 212101110980. Its totient is φ = 212101110978.

The previous prime is 212101110971. The next prime is 212101111003. The reversal of 212101110979 is 979011101212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212101110979 - 2³ = 212101110971 is a prime.

It is not a weakly prime, because it can be changed into another prime (212101110971) 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, 106050555489 + 106050555490.

It is an arithmetic number, because the mean of its divisors is an integer number (106050555490).

Almost surely, 2^212101110979 is an apocalyptic number.

212101110979 is a deficient number, since it is larger than the sum of its proper divisors (1).

212101110979 is an equidigital number, since it uses as much as digits as its factorization.

212101110979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 34.

The spelling of 212101110979 in words is "two hundred twelve billion, one hundred one million, one hundred ten thousand, nine hundred seventy-nine".