211201111102271 has 2 divisors, whose sum is σ = 211201111102272. Its totient is φ = 211201111102270.

The previous prime is 211201111102183. The next prime is 211201111102279. The reversal of 211201111102271 is 172201111102112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211201111102271 - 2³⁴ = 211183931233087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211201111102279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105600555551135 + 105600555551136.

It is an arithmetic number, because the mean of its divisors is an integer number (105600555551136).

Almost surely, 2^{211201111102271} is an apocalyptic number.

211201111102271 is a deficient number, since it is larger than the sum of its proper divisors (1).

211201111102271 is an equidigital number, since it uses as much as digits as its factorization.

211201111102271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 23.

Adding to 211201111102271 its reverse (172201111102112), we get a palindrome (383402222204383).

The spelling of 211201111102271 in words is "two hundred eleven trillion, two hundred one billion, one hundred eleven million, one hundred two thousand, two hundred seventy-one".