10011123113 has 4 divisors (see below), whose sum is σ = 10011417540. Its totient is φ = 10010828688.

The previous prime is 10011123077. The next prime is 10011123119. The reversal of 10011123113 is 31132111001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31132111001 = 29 ⋅1073521069.

It can be written as a sum of positive squares in 2 ways, for example, as 5383450384 + 4627672729 = 73372^2 + 68027^2 .

It is a cyclic number.

It is not a de Polignac number, because 10011123113 - 2¹² = 10011119017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10011123119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88370 + ... + 166827.

It is an arithmetic number, because the mean of its divisors is an integer number (2502854385).

Almost surely, 2^10011123113 is an apocalyptic number.

It is an amenable number.

10011123113 is a deficient number, since it is larger than the sum of its proper divisors (294427).

10011123113 is an equidigital number, since it uses as much as digits as its factorization.

10011123113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294426.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 10011123113 its reverse (31132111001), we get a palindrome (41143234114).

The spelling of 10011123113 in words is "ten billion, eleven million, one hundred twenty-three thousand, one hundred thirteen".