111103043611103 has 2 divisors, whose sum is σ = 111103043611104. Its totient is φ = 111103043611102.

The previous prime is 111103043611093. The next prime is 111103043611117. The reversal of 111103043611103 is 301116340301111.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (301116340301111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111103043611103 - 2²² = 111103039416799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111103043611403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55551521805551 + 55551521805552.

It is an arithmetic number, because the mean of its divisors is an integer number (55551521805552).

Almost surely, 2^{111103043611103} is an apocalyptic number.

111103043611103 is a deficient number, since it is larger than the sum of its proper divisors (1).

111103043611103 is an equidigital number, since it uses as much as digits as its factorization.

111103043611103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 26.

Adding to 111103043611103 its reverse (301116340301111), we get a palindrome (412219383912214).

The spelling of 111103043611103 in words is "one hundred eleven trillion, one hundred three billion, forty-three million, six hundred eleven thousand, one hundred three".