10112131123 has 4 divisors (see below), whose sum is σ = 10112339160. Its totient is φ = 10111923088.

The previous prime is 10112131121. The next prime is 10112131147. The reversal of 10112131123 is 32113121101.

It is a happy number.

10112131123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32113121101 = 8539 ⋅3760759.

It is a cyclic number.

It is not a de Polignac number, because 10112131123 - 2¹ = 10112131121 is a prime.

It is a super-2 number, since 2×10112131123² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10112131097 and 10112131106.

It is not an unprimeable number, because it can be changed into a prime (10112131121) 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 in 3 ways as a sum of consecutive naturals, for example, 12108 + ... + 142726.

It is an arithmetic number, because the mean of its divisors is an integer number (2528084790).

Almost surely, 2^10112131123 is an apocalyptic number.

10112131123 is a deficient number, since it is larger than the sum of its proper divisors (208037).

10112131123 is an equidigital number, since it uses as much as digits as its factorization.

10112131123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208036.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 10112131123 its reverse (32113121101), we get a palindrome (42225252224).

The spelling of 10112131123 in words is "ten billion, one hundred twelve million, one hundred thirty-one thousand, one hundred twenty-three".