2100200012191 has 2 divisors, whose sum is σ = 2100200012192. Its totient is φ = 2100200012190.

The previous prime is 2100200012189. The next prime is 2100200012203. The reversal of 2100200012191 is 1912100020012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2100200012191 - 2¹ = 2100200012189 is a prime.

Together with 2100200012189, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100200022191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050100006095 + 1050100006096.

It is an arithmetic number, because the mean of its divisors is an integer number (1050100006096).

Almost surely, 2^{2100200012191} is an apocalyptic number.

2100200012191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100200012191 is an equidigital number, since it uses as much as digits as its factorization.

2100200012191 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 19.

The spelling of 2100200012191 in words is "two trillion, one hundred billion, two hundred million, twelve thousand, one hundred ninety-one".