10011101123 has 2 divisors, whose sum is σ = 10011101124. Its totient is φ = 10011101122.

The previous prime is 10011101099. The next prime is 10011101143. The reversal of 10011101123 is 32110111001.

It is a happy number.

10011101123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10011101123 - 2⁶ = 10011101059 is a prime.

It is a super-2 number, since 2×10011101123² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10011101143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005550561 + 5005550562.

It is an arithmetic number, because the mean of its divisors is an integer number (5005550562).

Almost surely, 2^10011101123 is an apocalyptic number.

10011101123 is a deficient number, since it is larger than the sum of its proper divisors (1).

10011101123 is an equidigital number, since it uses as much as digits as its factorization.

10011101123 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 10011101123 its reverse (32110111001), we get a palindrome (42121212124).

The spelling of 10011101123 in words is "ten billion, eleven million, one hundred one thousand, one hundred twenty-three".