11111111101127 has 2 divisors, whose sum is σ = 11111111101128. Its totient is φ = 11111111101126.

The previous prime is 11111111101099. The next prime is 11111111101133. The reversal of 11111111101127 is 72110111111111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11111111101127 - 2³⁸ = 10836233194183 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11111111101099 and 11111111101108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11111111101187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555555550563 + 5555555550564.

It is an arithmetic number, because the mean of its divisors is an integer number (5555555550564).

Almost surely, 2^{11111111101127} is an apocalyptic number.

11111111101127 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111111101127 is an equidigital number, since it uses as much as digits as its factorization.

11111111101127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14, while the sum is 20.

Adding to 11111111101127 its reverse (72110111111111), we get a palindrome (83221222212238).

The spelling of 11111111101127 in words is "eleven trillion, one hundred eleven billion, one hundred eleven million, one hundred one thousand, one hundred twenty-seven".