212102102099 has 2 divisors, whose sum is σ = 212102102100. Its totient is φ = 212102102098.

The previous prime is 212102102077. The next prime is 212102102111. The reversal of 212102102099 is 990201201212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212102102099 - 2²⁰ = 212101053523 is a prime.

It is not a weakly prime, because it can be changed into another prime (212102102999) 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, 106051051049 + 106051051050.

It is an arithmetic number, because the mean of its divisors is an integer number (106051051050).

Almost surely, 2^212102102099 is an apocalyptic number.

212102102099 is a deficient number, since it is larger than the sum of its proper divisors (1).

212102102099 is an equidigital number, since it uses as much as digits as its factorization.

212102102099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 212102102099 in words is "two hundred twelve billion, one hundred two million, one hundred two thousand, ninety-nine".