211112209699 has 2 divisors, whose sum is σ = 211112209700. Its totient is φ = 211112209698.

The previous prime is 211112209687. The next prime is 211112209723. The reversal of 211112209699 is 996902211112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211112209699 - 2³¹ = 208964726051 is a prime.

It is not a weakly prime, because it can be changed into another prime (211142209699) 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, 105556104849 + 105556104850.

It is an arithmetic number, because the mean of its divisors is an integer number (105556104850).

Almost surely, 2^211112209699 is an apocalyptic number.

211112209699 is a deficient number, since it is larger than the sum of its proper divisors (1).

211112209699 is an equidigital number, since it uses as much as digits as its factorization.

211112209699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 43.

The spelling of 211112209699 in words is "two hundred eleven billion, one hundred twelve million, two hundred nine thousand, six hundred ninety-nine".