111011101112 has 16 divisors (see below), whose sum is σ = 213222542400. Its totient is φ = 54151756480.

The previous prime is 111011101067. The next prime is 111011101139. The reversal of 111011101112 is 211101110111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111011101093 and 111011101102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169223912 + ... + 169224567.

It is an arithmetic number, because the mean of its divisors is an integer number (13326408900).

Almost surely, 2^111011101112 is an apocalyptic number.

It is an amenable number.

111011101112 is a deficient number, since it is larger than the sum of its proper divisors (102211441288).

111011101112 is a wasteful number, since it uses less digits than its factorization.

111011101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338448526 (or 338448522 counting only the distinct ones).

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

Adding to 111011101112 its reverse (211101110111), we get a palindrome (322112211223).

It can be divided in two parts, 11101110111 and 2, that multiplied together give a palindrome (22202220222).

The spelling of 111011101112 in words is "one hundred eleven billion, eleven million, one hundred one thousand, one hundred twelve".