111010111120 has 40 divisors (see below), whose sum is σ = 261365592960. Its totient is φ = 43841965440.

The previous prime is 111010111099. The next prime is 111010111141. The reversal of 111010111120 is 21111010111.

It is an interprime number because it is at equal distance from previous prime (111010111099) and next prime (111010111141).

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 111010111097 and 111010111106.

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, 8776126 + ... + 8788765.

It is an arithmetic number, because the mean of its divisors is an integer number (6534139824).

Almost surely, 2^111010111120 is an apocalyptic number.

111010111120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111010111120 is an abundant number, since it is smaller than the sum of its proper divisors (150355481840).

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

111010111120 is a wasteful number, since it uses less digits than its factorization.

111010111120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17564983 (or 17564977 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 111010111120 its reverse (21111010111), we get a palindrome (132121121231).

The spelling of 111010111120 in words is "one hundred eleven billion, ten million, one hundred eleven thousand, one hundred twenty".