10111112111 has 8 divisors (see below), whose sum is σ = 10217903904. Its totient is φ = 10004486400.

The previous prime is 10111112071. The next prime is 10111112129. The reversal of 10111112111 is 11121111101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 10111112111 - 2¹⁸ = 10110849967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10111112092 and 10111112101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111112311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82835 + ... + 164571.

It is an arithmetic number, because the mean of its divisors is an integer number (1277237988).

Almost surely, 2^10111112111 is an apocalyptic number.

10111112111 is a deficient number, since it is larger than the sum of its proper divisors (106791793).

10111112111 is a wasteful number, since it uses less digits than its factorization.

10111112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83041.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 10111112111 its reverse (11121111101), we get a palindrome (21232223212).

The spelling of 10111112111 in words is "ten billion, one hundred eleven million, one hundred twelve thousand, one hundred eleven".