111100020111103 has 2 divisors, whose sum is σ = 111100020111104. Its totient is φ = 111100020111102.

The previous prime is 111100020111071. The next prime is 111100020111133. The reversal of 111100020111103 is 301111020001111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111100020111103 - 2⁵ = 111100020111071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111100020111133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550010055551 + 55550010055552.

It is an arithmetic number, because the mean of its divisors is an integer number (55550010055552).

Almost surely, 2^{111100020111103} is an apocalyptic number.

111100020111103 is a deficient number, since it is larger than the sum of its proper divisors (1).

111100020111103 is an equidigital number, since it uses as much as digits as its factorization.

111100020111103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 111100020111103 its reverse (301111020001111), we get a palindrome (412211040112214).

The spelling of 111100020111103 in words is "one hundred eleven trillion, one hundred billion, twenty million, one hundred eleven thousand, one hundred three".