1011112111112 has 16 divisors (see below), whose sum is σ = 1895846850000. Its totient is φ = 505552951120.

The previous prime is 1011112111111. The next prime is 1011112111117. The reversal of 1011112111112 is 2111112111101.

It is not an unprimeable number, because it can be changed into a prime (1011112111111) 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, 1588187 + ... + 2131797.

It is an arithmetic number, because the mean of its divisors is an integer number (118490428125).

Almost surely, 2^{1011112111112} is an apocalyptic number.

It is an amenable number.

1011112111112 is a deficient number, since it is larger than the sum of its proper divisors (884734738888).

1011112111112 is a wasteful number, since it uses less digits than its factorization.

1011112111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776116 (or 776112 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 1011112111112 its reverse (2111112111101), we get a palindrome (3122224222213).

The spelling of 1011112111112 in words is "one trillion, eleven billion, one hundred twelve million, one hundred eleven thousand, one hundred twelve".