10111121173 has 2 divisors, whose sum is σ = 10111121174. Its totient is φ = 10111121172.

The previous prime is 10111121099. The next prime is 10111121183. The reversal of 10111121173 is 37112111101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7516543204 + 2594577969 = 86698^2 + 50937^2 .

It is a cyclic number.

It is not a de Polignac number, because 10111121173 - 2⁹ = 10111120661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10111121173.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10111121183) 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, 5055560586 + 5055560587.

It is an arithmetic number, because the mean of its divisors is an integer number (5055560587).

Almost surely, 2^10111121173 is an apocalyptic number.

It is an amenable number.

10111121173 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111121173 is an equidigital number, since it uses as much as digits as its factorization.

10111121173 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 10111121173 its reverse (37112111101), we get a palindrome (47223232274).

The spelling of 10111121173 in words is "ten billion, one hundred eleven million, one hundred twenty-one thousand, one hundred seventy-three".