2212101021191 has 2 divisors, whose sum is σ = 2212101021192. Its totient is φ = 2212101021190.

The previous prime is 2212101021107. The next prime is 2212101021257. The reversal of 2212101021191 is 1911201012122.

It is a happy number.

2212101021191 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2212101021191 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2212101023191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106050510595 + 1106050510596.

It is an arithmetic number, because the mean of its divisors is an integer number (1106050510596).

Almost surely, 2^{2212101021191} is an apocalyptic number.

2212101021191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212101021191 is an equidigital number, since it uses as much as digits as its factorization.

2212101021191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 2212101021191 in words is "two trillion, two hundred twelve billion, one hundred one million, twenty-one thousand, one hundred ninety-one".