20110112111 has 8 divisors (see below), whose sum is σ = 20419620480. Its totient is φ = 19802855128.

The previous prime is 20110112101. The next prime is 20110112129. The reversal of 20110112111 is 11121101102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20110112111 is a prime.

It is a super-3 number, since 3×20110112111³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20110112092 and 20110112101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110112101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544841 + ... + 580578.

It is an arithmetic number, because the mean of its divisors is an integer number (2552452560).

Almost surely, 2^20110112111 is an apocalyptic number.

20110112111 is a deficient number, since it is larger than the sum of its proper divisors (309508369).

20110112111 is a wasteful number, since it uses less digits than its factorization.

20110112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125693.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 20110112111 its reverse (11121101102), we get a palindrome (31231213213).

The spelling of 20110112111 in words is "twenty billion, one hundred ten million, one hundred twelve thousand, one hundred eleven".