111099876783271 has 2 divisors, whose sum is σ = 111099876783272. Its totient is φ = 111099876783270.

The previous prime is 111099876783199. The next prime is 111099876783283. The reversal of 111099876783271 is 172387678990111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111099876783271 - 2²⁷ = 111099742565543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111099876783271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111099876703271) 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, 55549938391635 + 55549938391636.

It is an arithmetic number, because the mean of its divisors is an integer number (55549938391636).

Almost surely, 2^{111099876783271} is an apocalyptic number.

111099876783271 is a deficient number, since it is larger than the sum of its proper divisors (1).

111099876783271 is an equidigital number, since it uses as much as digits as its factorization.

111099876783271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64012032, while the sum is 70.

The spelling of 111099876783271 in words is "one hundred eleven trillion, ninety-nine billion, eight hundred seventy-six million, seven hundred eighty-three thousand, two hundred seventy-one".