111042252 has 72 divisors (see below), whose sum is σ = 303803136. Its totient is φ = 35397648.

The previous prime is 111042209. The next prime is 111042263. The reversal of 111042252 is 252240111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19873 + ... + 24839.

It is an arithmetic number, because the mean of its divisors is an integer number (4219488).

Almost surely, 2^111042252 is an apocalyptic number.

111042252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111042252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151901568).

111042252 is an abundant number, since it is smaller than the sum of its proper divisors (192760884).

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

111042252 is a wasteful number, since it uses less digits than its factorization.

111042252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5009 (or 4995 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 111042252 is about 10537.6587532525. The cubic root of 111042252 is about 480.6505242230.

Adding to 111042252 its reverse (252240111), we get a palindrome (363282363).

The spelling of 111042252 in words is "one hundred eleven million, forty-two thousand, two hundred fifty-two".