212110101191 has 2 divisors, whose sum is σ = 212110101192. Its totient is φ = 212110101190.

The previous prime is 212110101163. The next prime is 212110101197. The reversal of 212110101191 is 191101011212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212110101191 - 2¹⁴ = 212110084807 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 (212110101197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106055050595 + 106055050596.

It is an arithmetic number, because the mean of its divisors is an integer number (106055050596).

Almost surely, 2^212110101191 is an apocalyptic number.

212110101191 is a deficient number, since it is larger than the sum of its proper divisors (1).

212110101191 is an equidigital number, since it uses as much as digits as its factorization.

212110101191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 20.

The spelling of 212110101191 in words is "two hundred twelve billion, one hundred ten million, one hundred one thousand, one hundred ninety-one".