211121211102199 has 2 divisors, whose sum is σ = 211121211102200. Its totient is φ = 211121211102198.

The previous prime is 211121211102091. The next prime is 211121211102227. The reversal of 211121211102199 is 991201112121112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211121211102199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211121211142199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105560605551099 + 105560605551100.

It is an arithmetic number, because the mean of its divisors is an integer number (105560605551100).

Almost surely, 2^{211121211102199} is an apocalyptic number.

211121211102199 is a deficient number, since it is larger than the sum of its proper divisors (1).

211121211102199 is an equidigital number, since it uses as much as digits as its factorization.

211121211102199 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 34.

The spelling of 211121211102199 in words is "two hundred eleven trillion, one hundred twenty-one billion, two hundred eleven million, one hundred two thousand, one hundred ninety-nine".