212201001102191 has 2 divisors, whose sum is σ = 212201001102192. Its totient is φ = 212201001102190.

The previous prime is 212201001102121. The next prime is 212201001102241. The reversal of 212201001102191 is 191201100102212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212201001102191 - 2¹⁸ = 212201000840047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212201001102121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106100500551095 + 106100500551096.

It is an arithmetic number, because the mean of its divisors is an integer number (106100500551096).

Almost surely, 2^{212201001102191} is an apocalyptic number.

212201001102191 is a deficient number, since it is larger than the sum of its proper divisors (1).

212201001102191 is an equidigital number, since it uses as much as digits as its factorization.

212201001102191 is an evil number, because the sum of its binary digits is even.

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

The spelling of 212201001102191 in words is "two hundred twelve trillion, two hundred one billion, one million, one hundred two thousand, one hundred ninety-one".