111211202199187 has 2 divisors, whose sum is σ = 111211202199188. Its totient is φ = 111211202199186.

The previous prime is 111211202199157. The next prime is 111211202199257. The reversal of 111211202199187 is 781991202112111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111211202199187 is a prime.

It is not a weakly prime, because it can be changed into another prime (111211202199157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55605601099593 + 55605601099594.

It is an arithmetic number, because the mean of its divisors is an integer number (55605601099594).

Almost surely, 2^{111211202199187} is an apocalyptic number.

111211202199187 is a deficient number, since it is larger than the sum of its proper divisors (1).

111211202199187 is an equidigital number, since it uses as much as digits as its factorization.

111211202199187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 46.

The spelling of 111211202199187 in words is "one hundred eleven trillion, two hundred eleven billion, two hundred two million, one hundred ninety-nine thousand, one hundred eighty-seven".