111200220010220 has 96 divisors (see below), whose sum is σ = 263555247251520. Its totient is φ = 39038945218560.

The previous prime is 111200220010177. The next prime is 111200220010223. The reversal of 111200220010220 is 22010022002111.

It is a junction number, because it is equal to n+sod(n) for n = 111200220010195 and 111200220010204.

It is not an unprimeable number, because it can be changed into a prime (111200220010223) 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, 79393904 + ... + 80782376.

It is an arithmetic number, because the mean of its divisors is an integer number (2745367158870).

Almost surely, 2^{111200220010220} is an apocalyptic number.

111200220010220 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 111200220010220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131777623625760).

111200220010220 is an abundant number, since it is smaller than the sum of its proper divisors (152355027241300).

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

111200220010220 is a wasteful number, since it uses less digits than its factorization.

111200220010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401075 (or 1401073 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 111200220010220 its reverse (22010022002111), we get a palindrome (133210242012331).

The spelling of 111200220010220 in words is "one hundred eleven trillion, two hundred billion, two hundred twenty million, ten thousand, two hundred twenty".