111202222000220 has 96 divisors (see below), whose sum is σ = 259663208824320. Its totient is φ = 39725209313280.

The previous prime is 111202222000217. The next prime is 111202222000249. The reversal of 111202222000220 is 22000222202111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31812116 + ... + 35134244.

It is an arithmetic number, because the mean of its divisors is an integer number (2704825091920).

Almost surely, 2^{111202222000220} is an apocalyptic number.

111202222000220 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 111202222000220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129831604412160).

111202222000220 is an abundant number, since it is smaller than the sum of its proper divisors (148460986824100).

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

111202222000220 is a wasteful number, since it uses less digits than its factorization.

111202222000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3326335 (or 3326333 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 111202222000220 its reverse (22000222202111), we get a palindrome (133202444202331).

The spelling of 111202222000220 in words is "one hundred eleven trillion, two hundred two billion, two hundred twenty-two million, two hundred twenty", and thus it is an aban number.