111230120 has 16 divisors (see below), whose sum is σ = 250267860. Its totient is φ = 44492032.

The previous prime is 111230113. The next prime is 111230129. The reversal of 111230120 is 21032111.

It can be written as a sum of positive squares in 2 ways, for example, as 98684356 + 12545764 = 9934^2 + 3542^2 .

It is not an unprimeable number, because it can be changed into a prime (111230129) 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, 1390337 + ... + 1390416.

Almost surely, 2^111230120 is an apocalyptic number.

111230120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111230120 is an abundant number, since it is smaller than the sum of its proper divisors (139037740).

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

111230120 is a wasteful number, since it uses less digits than its factorization.

111230120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780764 (or 2780760 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 111230120 is about 10546.5691103790. The cubic root of 111230120 is about 480.9214360442.

Adding to 111230120 its reverse (21032111), we get a palindrome (132262231).

The spelling of 111230120 in words is "one hundred eleven million, two hundred thirty thousand, one hundred twenty".