1011110111112 has 32 divisors (see below), whose sum is σ = 2569214220480. Its totient is φ = 331511511360.

The previous prime is 1011110111023. The next prime is 1011110111131. The reversal of 1011110111112 is 2111110111101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345323028 + ... + 345325955.

It is an arithmetic number, because the mean of its divisors is an integer number (80287944390).

Almost surely, 2^{1011110111112} is an apocalyptic number.

1011110111112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1011110111112 is an abundant number, since it is smaller than the sum of its proper divisors (1558104109368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011110111112 is a wasteful number, since it uses less digits than its factorization.

1011110111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690649053 (or 690649049 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 12.

Adding to 1011110111112 its reverse (2111110111101), we get a palindrome (3122220222213).

The spelling of 1011110111112 in words is "one trillion, eleven billion, one hundred ten million, one hundred eleven thousand, one hundred twelve".