111000122100103 has 2 divisors, whose sum is σ = 111000122100104. Its totient is φ = 111000122100102.

The previous prime is 111000122100053. The next prime is 111000122100137. The reversal of 111000122100103 is 301001221000111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111000122100103 is a prime.

It is a super-3 number, since 3×111000122100103³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111000122104103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55500061050051 + 55500061050052.

It is an arithmetic number, because the mean of its divisors is an integer number (55500061050052).

Almost surely, 2^{111000122100103} is an apocalyptic number.

111000122100103 is a deficient number, since it is larger than the sum of its proper divisors (1).

111000122100103 is an equidigital number, since it uses as much as digits as its factorization.

111000122100103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 111000122100103 its reverse (301001221000111), we get a palindrome (412001343100214).

The spelling of 111000122100103 in words is "one hundred eleven trillion, one hundred twenty-two million, one hundred thousand, one hundred three".