111224120000 has 210 divisors, whose sum is σ = 320833840932. Its totient is φ = 38133312000.

The previous prime is 111224119973. The next prime is 111224120017. The reversal of 111224120000 is 21422111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1931627 + ... + 1988373.

Almost surely, 2^111224120000 is an apocalyptic number.

111224120000 is a gapful number since it is divisible by the number (10) 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 111224120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160416920466).

111224120000 is an abundant number, since it is smaller than the sum of its proper divisors (209609720932).

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

111224120000 is an frugal number, since it uses more digits than its factorization.

111224120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56793 (or 56761 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 111224120000 its reverse (21422111), we get a palindrome (111245542111).

The spelling of 111224120000 in words is "one hundred eleven billion, two hundred twenty-four million, one hundred twenty thousand".