111231022200 has 96 divisors (see below), whose sum is σ = 359808220800. Its totient is φ = 28371967360.

The previous prime is 111231022183. The next prime is 111231022271. The reversal of 111231022200 is 2220132111.

111231022200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 111231022200.

It is a congruent number.

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, 4016310 + ... + 4043909.

It is an arithmetic number, because the mean of its divisors is an integer number (3748002300).

Almost surely, 2^111231022200 is an apocalyptic number.

111231022200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111231022200 is an abundant number, since it is smaller than the sum of its proper divisors (248577198600).

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

111231022200 is a wasteful number, since it uses less digits than its factorization.

111231022200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8060261 (or 8060252 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 111231022200 its reverse (2220132111), we get a palindrome (113451154311).

The spelling of 111231022200 in words is "one hundred eleven billion, two hundred thirty-one million, twenty-two thousand, two hundred".