100111200121103 has 2 divisors, whose sum is σ = 100111200121104. Its totient is φ = 100111200121102.

The previous prime is 100111200121081. The next prime is 100111200121151. The reversal of 100111200121103 is 301121002111001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100111200121103 - 2⁸ = 100111200120847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100111200121193) 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, 50055600060551 + 50055600060552.

It is an arithmetic number, because the mean of its divisors is an integer number (50055600060552).

Almost surely, 2^{100111200121103} is an apocalyptic number.

100111200121103 is a deficient number, since it is larger than the sum of its proper divisors (1).

100111200121103 is an equidigital number, since it uses as much as digits as its factorization.

100111200121103 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 14.

Adding to 100111200121103 its reverse (301121002111001), we get a palindrome (401232202232104).

The spelling of 100111200121103 in words is "one hundred trillion, one hundred eleven billion, two hundred million, one hundred twenty-one thousand, one hundred three".