211000120999 has 2 divisors, whose sum is σ = 211000121000. Its totient is φ = 211000120998.

The previous prime is 211000120993. The next prime is 211000121021. The reversal of 211000120999 is 999021000112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211000120999 - 2⁵ = 211000120967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211000120993) 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, 105500060499 + 105500060500.

It is an arithmetic number, because the mean of its divisors is an integer number (105500060500).

Almost surely, 2^211000120999 is an apocalyptic number.

211000120999 is a deficient number, since it is larger than the sum of its proper divisors (1).

211000120999 is an equidigital number, since it uses as much as digits as its factorization.

211000120999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 34.

The spelling of 211000120999 in words is "two hundred eleven billion, one hundred twenty thousand, nine hundred ninety-nine".