111011011111103 has 2 divisors, whose sum is σ = 111011011111104. Its totient is φ = 111011011111102.

The previous prime is 111011011111067. The next prime is 111011011111153. The reversal of 111011011111103 is 301111110110111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111011011111103 - 2²⁶ = 111010944002239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111011011111153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505505555551 + 55505505555552.

It is an arithmetic number, because the mean of its divisors is an integer number (55505505555552).

Almost surely, 2^{111011011111103} is an apocalyptic number.

111011011111103 is a deficient number, since it is larger than the sum of its proper divisors (1).

111011011111103 is an equidigital number, since it uses as much as digits as its factorization.

111011011111103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3, while the sum is 14.

Adding to 111011011111103 its reverse (301111110110111), we get a palindrome (412122121221214).

The spelling of 111011011111103 in words is "one hundred eleven trillion, eleven billion, eleven million, one hundred eleven thousand, one hundred three".