111214113280 has 80 divisors (see below), whose sum is σ = 266885150400. Its totient is φ = 44446953472.

The previous prime is 111214113259. The next prime is 111214113281. The reversal of 111214113280 is 82311412111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (111214113281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3020421 + ... + 3057019.

It is an arithmetic number, because the mean of its divisors is an integer number (3336064380).

Almost surely, 2^111214113280 is an apocalyptic number.

111214113280 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 111214113280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133442575200).

111214113280 is an abundant number, since it is smaller than the sum of its proper divisors (155671037120).

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

111214113280 is an equidigital number, since it uses as much as digits as its factorization.

111214113280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37809 (or 37793 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 25.

Adding to 111214113280 its reverse (82311412111), we get a palindrome (193525525391).

The spelling of 111214113280 in words is "one hundred eleven billion, two hundred fourteen million, one hundred thirteen thousand, two hundred eighty".