100112111173 has 2 divisors, whose sum is σ = 100112111174. Its totient is φ = 100112111172.

The previous prime is 100112111167. The next prime is 100112111249. The reversal of 100112111173 is 371111211001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65478156769 + 34633954404 = 255887^2 + 186102^2 .

It is a cyclic number.

It is not a de Polignac number, because 100112111173 - 2⁹ = 100112110661 is a prime.

It is a super-2 number, since 2×100112111173² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100112111173.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100112111773) 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, 50056055586 + 50056055587.

It is an arithmetic number, because the mean of its divisors is an integer number (50056055587).

Almost surely, 2^100112111173 is an apocalyptic number.

It is an amenable number.

100112111173 is a deficient number, since it is larger than the sum of its proper divisors (1).

100112111173 is an equidigital number, since it uses as much as digits as its factorization.

100112111173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42, while the sum is 19.

Adding to 100112111173 its reverse (371111211001), we get a palindrome (471223322174).

The spelling of 100112111173 in words is "one hundred billion, one hundred twelve million, one hundred eleven thousand, one hundred seventy-three".