20000112011123 has 4 divisors (see below), whose sum is σ = 20425646309280. Its totient is φ = 19574577712968.

The previous prime is 20000112011039. The next prime is 20000112011171. The reversal of 20000112011123 is 32111021100002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20000112011123 is a prime.

It is a super-2 number, since 2×20000112011123² (a number of 27 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 = 20000112011098 and 20000112011107.

It is not an unprimeable number, because it can be changed into a prime (20000112011623) 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, 212767149008 + ... + 212767149101.

It is an arithmetic number, because the mean of its divisors is an integer number (5106411577320).

Almost surely, 2^{20000112011123} is an apocalyptic number.

20000112011123 is a deficient number, since it is larger than the sum of its proper divisors (425534298157).

20000112011123 is an equidigital number, since it uses as much as digits as its factorization.

20000112011123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425534298156.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 20000112011123 its reverse (32111021100002), we get a palindrome (52111133111125).

The spelling of 20000112011123 in words is "twenty trillion, one hundred twelve million, eleven thousand, one hundred twenty-three".