100103111 has 2 divisors, whose sum is σ = 100103112. Its totient is φ = 100103110.

The previous prime is 100103071. The next prime is 100103119. The reversal of 100103111 is 111301001.

It is an a-pointer prime, because the next prime (100103119) can be obtained adding 100103111 to its sum of digits (8).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100103111 - 2¹⁸ = 99840967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100103119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50051555 + 50051556.

It is an arithmetic number, because the mean of its divisors is an integer number (50051556).

Almost surely, 2^100103111 is an apocalyptic number.

100103111 is a deficient number, since it is larger than the sum of its proper divisors (1).

100103111 is an equidigital number, since it uses as much as digits as its factorization.

100103111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3, while the sum is 8.

The square root of 100103111 is about 10005.1542216999. The cubic root of 100103111 is about 464.3183615161.

Adding to 100103111 its reverse (111301001), we get a palindrome (211404112).

The spelling of 100103111 in words is "one hundred million, one hundred three thousand, one hundred eleven".