111220011300 has 144 divisors (see below), whose sum is σ = 334605583872. Its totient is φ = 28492108800.

The previous prime is 111220011281. The next prime is 111220011307. The reversal of 111220011300 is 3110022111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (111220011307) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1230454 + ... + 1317746.

It is an arithmetic number, because the mean of its divisors is an integer number (2323649888).

Almost surely, 2^111220011300 is an apocalyptic number.

111220011300 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 111220011300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167302791936).

111220011300 is an abundant number, since it is smaller than the sum of its proper divisors (223385572572).

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

111220011300 is a wasteful number, since it uses less digits than its factorization.

111220011300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87478 (or 87471 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 111220011300 its reverse (3110022111), we get a palindrome (114330033411).

The spelling of 111220011300 in words is "one hundred eleven billion, two hundred twenty million, eleven thousand, three hundred".