111440222992811 has 2 divisors, whose sum is σ = 111440222992812. Its totient is φ = 111440222992810.

The previous prime is 111440222992757. The next prime is 111440222992831. The reversal of 111440222992811 is 118299222044111.

It is a strong prime.

It is an emirp because it is prime and its reverse (118299222044111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111440222992811 is a prime.

It is not a weakly prime, because it can be changed into another prime (111440222992831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55720111496405 + 55720111496406.

It is an arithmetic number, because the mean of its divisors is an integer number (55720111496406).

Almost surely, 2^{111440222992811} is an apocalyptic number.

111440222992811 is a deficient number, since it is larger than the sum of its proper divisors (1).

111440222992811 is an equidigital number, since it uses as much as digits as its factorization.

111440222992811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 47.

The spelling of 111440222992811 in words is "one hundred eleven trillion, four hundred forty billion, two hundred twenty-two million, nine hundred ninety-two thousand, eight hundred eleven".