111201223320 has 96 divisors (see below), whose sum is σ = 394258896720. Its totient is φ = 26957871360.

The previous prime is 111201223307. The next prime is 111201223333. The reversal of 111201223320 is 23322102111.

111201223320 is a `hidden beast` number, since 1 + 1 + 120 + 1 + 223 + 320 = 666.

It is an interprime number because it is at equal distance from previous prime (111201223307) and next prime (111201223333).

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

It is a junction number, because it is equal to n+sod(n) for n = 111201223293 and 111201223302.

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, 14036599 + ... + 14044518.

Almost surely, 2^111201223320 is an apocalyptic number.

111201223320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111201223320 is an abundant number, since it is smaller than the sum of its proper divisors (283057673400).

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

111201223320 is a wasteful number, since it uses less digits than its factorization.

111201223320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28081145 (or 28081138 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 111201223320 its reverse (23322102111), we get a palindrome (134523325431).

The spelling of 111201223320 in words is "one hundred eleven billion, two hundred one million, two hundred twenty-three thousand, three hundred twenty".