100012103111 has 2 divisors, whose sum is σ = 100012103112. Its totient is φ = 100012103110.

The previous prime is 100012103077. The next prime is 100012103167. The reversal of 100012103111 is 111301210001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100012103111 - 2⁶ = 100012103047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100012103092 and 100012103101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100012102111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50006051555 + 50006051556.

It is an arithmetic number, because the mean of its divisors is an integer number (50006051556).

Almost surely, 2^100012103111 is an apocalyptic number.

100012103111 is a deficient number, since it is larger than the sum of its proper divisors (1).

100012103111 is an equidigital number, since it uses as much as digits as its factorization.

100012103111 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 11.

Adding to 100012103111 its reverse (111301210001), we get a palindrome (211313313112).

It can be divided in two parts, 10001 and 2103111, that added together give a palindrome (2113112).

The spelling of 100012103111 in words is "one hundred billion, twelve million, one hundred three thousand, one hundred eleven".