211200012111197 has 2 divisors, whose sum is σ = 211200012111198. Its totient is φ = 211200012111196.

The previous prime is 211200012111161. The next prime is 211200012111217. The reversal of 211200012111197 is 791111210002112.

211200012111197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203849547652921 + 7350464458276 = 14277589^2 + 2711174^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211200012111197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211200012111997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105600006055598 + 105600006055599.

It is an arithmetic number, because the mean of its divisors is an integer number (105600006055599).

Almost surely, 2^{211200012111197} is an apocalyptic number.

It is an amenable number.

211200012111197 is a deficient number, since it is larger than the sum of its proper divisors (1).

211200012111197 is an equidigital number, since it uses as much as digits as its factorization.

211200012111197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 29.

The spelling of 211200012111197 in words is "two hundred eleven trillion, two hundred billion, twelve million, one hundred eleven thousand, one hundred ninety-seven".