111302102220 has 96 divisors (see below), whose sum is σ = 336049620480. Its totient is φ = 27432599040.

The previous prime is 111302102207. The next prime is 111302102227. The reversal of 111302102220 is 22201203111.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 111302102220.

It is not an unprimeable number, because it can be changed into a prime (111302102227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1143912 + ... + 1237391.

It is an arithmetic number, because the mean of its divisors is an integer number (3500516880).

Almost surely, 2^111302102220 is an apocalyptic number.

111302102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111302102220 is an abundant number, since it is smaller than the sum of its proper divisors (224747518260).

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

111302102220 is a wasteful number, since it uses less digits than its factorization.

111302102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381375 (or 2381373 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 111302102220 its reverse (22201203111), we get a palindrome (133503305331).

The spelling of 111302102220 in words is "one hundred eleven billion, three hundred two million, one hundred two thousand, two hundred twenty".