111102056 has 32 divisors (see below), whose sum is σ = 225057000. Its totient is φ = 51114240.

The previous prime is 111102053. The next prime is 111102091. The reversal of 111102056 is 650201111.

It can be written as a sum of positive squares in 4 ways, for example, as 107453956 + 3648100 = 10366^2 + 1910^2 .

It is a super-4 number, since 4×111102056⁴ (a number of 33 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (111102053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34766 + ... + 37826.

Almost surely, 2^111102056 is an apocalyptic number.

It is an amenable number.

111102056 is an abundant number, since it is smaller than the sum of its proper divisors (113954944).

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

111102056 is a wasteful number, since it uses less digits than its factorization.

111102056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3429 (or 3425 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 111102056 is about 10540.4960035095. The cubic root of 111102056 is about 480.7367966842.

Adding to 111102056 its reverse (650201111), we get a palindrome (761303167).

The spelling of 111102056 in words is "one hundred eleven million, one hundred two thousand, fifty-six".