211240219207 has 2 divisors, whose sum is σ = 211240219208. Its totient is φ = 211240219206.

The previous prime is 211240219163. The next prime is 211240219259. The reversal of 211240219207 is 702912042112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211240219207 - 2⁷ = 211240219079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211240279207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105620109603 + 105620109604.

It is an arithmetic number, because the mean of its divisors is an integer number (105620109604).

Almost surely, 2^211240219207 is an apocalyptic number.

211240219207 is a deficient number, since it is larger than the sum of its proper divisors (1).

211240219207 is an equidigital number, since it uses as much as digits as its factorization.

211240219207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 31.

The spelling of 211240219207 in words is "two hundred eleven billion, two hundred forty million, two hundred nineteen thousand, two hundred seven".