111001230313220 has 96 divisors (see below), whose sum is σ = 253923461336160. Its totient is φ = 40513499136000.

The previous prime is 111001230313219. The next prime is 111001230313271. The reversal of 111001230313220 is 22313032100111.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 82533627379204 + 28467602934016 = 9084802^2 + 5335504^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 111001230313192 and 111001230313201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84340220 + ... + 85646220.

It is an arithmetic number, because the mean of its divisors is an integer number (2645036055585).

Almost surely, 2^{111001230313220} is an apocalyptic number.

111001230313220 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 111001230313220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126961730668080).

111001230313220 is an abundant number, since it is smaller than the sum of its proper divisors (142922231022940).

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

111001230313220 is a wasteful number, since it uses less digits than its factorization.

111001230313220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309785 (or 1309783 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 111001230313220 its reverse (22313032100111), we get a palindrome (133314262413331).

The spelling of 111001230313220 in words is "one hundred eleven trillion, one billion, two hundred thirty million, three hundred thirteen thousand, two hundred twenty".