111244212 has 24 divisors (see below), whose sum is σ = 288411200. Its totient is φ = 37081368.

The previous prime is 111244181. The next prime is 111244241. The reversal of 111244212 is 212442111.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 514912 + ... + 515127.

Almost surely, 2^111244212 is an apocalyptic number.

111244212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111244212 is an abundant number, since it is smaller than the sum of its proper divisors (177166988).

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

111244212 is a wasteful number, since it uses less digits than its factorization.

111244212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030052 (or 1030044 counting only the distinct ones).

The product of its digits is 128, while the sum is 18.

The square root of 111244212 is about 10547.2371737816. The cubic root of 111244212 is about 480.9417448679.

Adding to 111244212 its reverse (212442111), we get a palindrome (323686323).

The spelling of 111244212 in words is "one hundred eleven million, two hundred forty-four thousand, two hundred twelve".