211011011220199 has 2 divisors, whose sum is σ = 211011011220200. Its totient is φ = 211011011220198.

The previous prime is 211011011220103. The next prime is 211011011220407. The reversal of 211011011220199 is 991022110110112.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211011011220199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211011011220199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211011011260199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105505505610099 + 105505505610100.

It is an arithmetic number, because the mean of its divisors is an integer number (105505505610100).

Almost surely, 2^{211011011220199} is an apocalyptic number.

211011011220199 is a deficient number, since it is larger than the sum of its proper divisors (1).

211011011220199 is an equidigital number, since it uses as much as digits as its factorization.

211011011220199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 31.

The spelling of 211011011220199 in words is "two hundred eleven trillion, eleven billion, eleven million, two hundred twenty thousand, one hundred ninety-nine".