211112121211099 has 2 divisors, whose sum is σ = 211112121211100. Its totient is φ = 211112121211098.

The previous prime is 211112121211087. The next prime is 211112121211171. The reversal of 211112121211099 is 990112121211112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211112121211099 - 2¹³ = 211112121202907 is a prime.

It is not a weakly prime, because it can be changed into another prime (211112121211499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105556060605549 + 105556060605550.

It is an arithmetic number, because the mean of its divisors is an integer number (105556060605550).

Almost surely, 2^{211112121211099} is an apocalyptic number.

211112121211099 is a deficient number, since it is larger than the sum of its proper divisors (1).

211112121211099 is an equidigital number, since it uses as much as digits as its factorization.

211112121211099 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 211112121211099 in words is "two hundred eleven trillion, one hundred twelve billion, one hundred twenty-one million, two hundred eleven thousand, ninety-nine".