121110882312191 has 2 divisors, whose sum is σ = 121110882312192. Its totient is φ = 121110882312190.

The previous prime is 121110882312137. The next prime is 121110882312221. The reversal of 121110882312191 is 191213288011121.

It is a strong prime.

It is an emirp because it is prime and its reverse (191213288011121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121110882312191 - 2¹⁸ = 121110882050047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121110882392191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60555441156095 + 60555441156096.

It is an arithmetic number, because the mean of its divisors is an integer number (60555441156096).

Almost surely, 2^{121110882312191} is an apocalyptic number.

121110882312191 is a deficient number, since it is larger than the sum of its proper divisors (1).

121110882312191 is an equidigital number, since it uses as much as digits as its factorization.

121110882312191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 41.

The spelling of 121110882312191 in words is "one hundred twenty-one trillion, one hundred ten billion, eight hundred eighty-two million, three hundred twelve thousand, one hundred ninety-one".