111011112 has 24 divisors (see below), whose sum is σ = 300655290. Its totient is φ = 37003680.

The previous prime is 111011083. The next prime is 111011113. The reversal of 111011112 is 211110111.

It can be written as a sum of positive squares in only one way, i.e., 106626276 + 4384836 = 10326^2 + 2094^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 111011094 and 111011103.

It is not an unprimeable number, because it can be changed into a prime (111011113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 770839 + ... + 770982.

Almost surely, 2^111011112 is an apocalyptic number.

111011112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111011112 is an abundant number, since it is smaller than the sum of its proper divisors (189644178).

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

111011112 is a wasteful number, since it uses less digits than its factorization.

111011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541833 (or 1541826 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

The square root of 111011112 is about 10536.1810918378. The cubic root of 111011112 is about 480.6055898057.

Adding to 111011112 its reverse (211110111), we get a palindrome (322121223).

The spelling of 111011112 in words is "one hundred eleven million, eleven thousand, one hundred twelve".