100211200002191 has 2 divisors, whose sum is σ = 100211200002192. Its totient is φ = 100211200002190.

The previous prime is 100211200002187. The next prime is 100211200002209. The reversal of 100211200002191 is 191200002112001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100211200002191 - 2² = 100211200002187 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100211200002091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50105600001095 + 50105600001096.

It is an arithmetic number, because the mean of its divisors is an integer number (50105600001096).

Almost surely, 2^{100211200002191} is an apocalyptic number.

100211200002191 is a deficient number, since it is larger than the sum of its proper divisors (1).

100211200002191 is an equidigital number, since it uses as much as digits as its factorization.

100211200002191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 100211200002191 its reverse (191200002112001), we get a palindrome (291411202114192).

The spelling of 100211200002191 in words is "one hundred trillion, two hundred eleven billion, two hundred million, two thousand, one hundred ninety-one".