211201111102147 has 2 divisors, whose sum is σ = 211201111102148. Its totient is φ = 211201111102146.

The previous prime is 211201111102099. The next prime is 211201111102181. The reversal of 211201111102147 is 741201111102112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211201111102147 - 2⁴³ = 202405018079939 is a prime.

It is not a weakly prime, because it can be changed into another prime (211201111102447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105600555551073 + 105600555551074.

It is an arithmetic number, because the mean of its divisors is an integer number (105600555551074).

Almost surely, 2^{211201111102147} is an apocalyptic number.

211201111102147 is a deficient number, since it is larger than the sum of its proper divisors (1).

211201111102147 is an equidigital number, since it uses as much as digits as its factorization.

211201111102147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 25.

Adding to 211201111102147 its reverse (741201111102112), we get a palindrome (952402222204259).

The spelling of 211201111102147 in words is "two hundred eleven trillion, two hundred one billion, one hundred eleven million, one hundred two thousand, one hundred forty-seven".