11111101103 has 2 divisors, whose sum is σ = 11111101104. Its totient is φ = 11111101102.

The previous prime is 11111101091. The next prime is 11111101109. The reversal of 11111101103 is 30110111111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11111101103 - 2⁶ = 11111101039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11111101109) 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, 5555550551 + 5555550552.

It is an arithmetic number, because the mean of its divisors is an integer number (5555550552).

Almost surely, 2^11111101103 is an apocalyptic number.

11111101103 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111101103 is an equidigital number, since it uses as much as digits as its factorization.

11111101103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3, while the sum is 11.

Adding to 11111101103 its reverse (30110111111), we get a palindrome (41221212214).

The spelling of 11111101103 in words is "eleven billion, one hundred eleven million, one hundred one thousand, one hundred three".