113103121111 has 2 divisors, whose sum is σ = 113103121112. Its totient is φ = 113103121110.

The previous prime is 113103121097. The next prime is 113103121163. The reversal of 113103121111 is 111121301311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113103121111 - 2¹⁹ = 113102596823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113103121711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56551560555 + 56551560556.

It is an arithmetic number, because the mean of its divisors is an integer number (56551560556).

Almost surely, 2^113103121111 is an apocalyptic number.

113103121111 is a deficient number, since it is larger than the sum of its proper divisors (1).

113103121111 is an equidigital number, since it uses as much as digits as its factorization.

113103121111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 113103121111 its reverse (111121301311), we get a palindrome (224224422422).

The spelling of 113103121111 in words is "one hundred thirteen billion, one hundred three million, one hundred twenty-one thousand, one hundred eleven".