212202002191 has 2 divisors, whose sum is σ = 212202002192. Its totient is φ = 212202002190.

The previous prime is 212202002137. The next prime is 212202002219. The reversal of 212202002191 is 191200202212.

212202002191 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-212202002191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212202002491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106101001095 + 106101001096.

It is an arithmetic number, because the mean of its divisors is an integer number (106101001096).

Almost surely, 2^212202002191 is an apocalyptic number.

212202002191 is a deficient number, since it is larger than the sum of its proper divisors (1).

212202002191 is an equidigital number, since it uses as much as digits as its factorization.

212202002191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 212202002191 in words is "two hundred twelve billion, two hundred two million, two thousand, one hundred ninety-one".