111110101112 has 8 divisors (see below), whose sum is σ = 208331439600. Its totient is φ = 55555050552.

The previous prime is 111110101093. The next prime is 111110101129. The reversal of 111110101112 is 211101011111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 111110101093 and 111110101102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6944381312 + ... + 6944381327.

It is an arithmetic number, because the mean of its divisors is an integer number (26041429950).

Almost surely, 2^111110101112 is an apocalyptic number.

It is an amenable number.

111110101112 is a deficient number, since it is larger than the sum of its proper divisors (97221338488).

111110101112 is a wasteful number, since it uses less digits than its factorization.

111110101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13888762645 (or 13888762641 counting only the distinct ones).

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

Adding to 111110101112 its reverse (211101011111), we get a palindrome (322211112223).

Subtracting 111110101112 from its reverse (211101011111), we obtain a palindrome (99990909999).

The spelling of 111110101112 in words is "one hundred eleven billion, one hundred ten million, one hundred one thousand, one hundred twelve".