111011131103 has 2 divisors, whose sum is σ = 111011131104. Its totient is φ = 111011131102.

The previous prime is 111011131093. The next prime is 111011131139. The reversal of 111011131103 is 301131110111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111011131103 - 2⁶ = 111011131039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111011130103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505565551 + 55505565552.

It is an arithmetic number, because the mean of its divisors is an integer number (55505565552).

Almost surely, 2^111011131103 is an apocalyptic number.

111011131103 is a deficient number, since it is larger than the sum of its proper divisors (1).

111011131103 is an equidigital number, since it uses as much as digits as its factorization.

111011131103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9, while the sum is 14.

Adding to 111011131103 its reverse (301131110111), we get a palindrome (412142241214).

The spelling of 111011131103 in words is "one hundred eleven billion, eleven million, one hundred thirty-one thousand, one hundred three".