220111102002220 has 192 divisors, whose sum is σ = 566675105117184. Its totient is φ = 70668480199680.

The previous prime is 220111102002191. The next prime is 220111102002283. The reversal of 220111102002220 is 22200201111022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220111102002194 and 220111102002203.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2547155734 + ... + 2547242146.

It is an arithmetic number, because the mean of its divisors is an integer number (2951432839152).

Almost surely, 2^{220111102002220} is an apocalyptic number.

220111102002220 is a gapful number since it is divisible by the number (20) 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 220111102002220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283337552558592).

220111102002220 is an abundant number, since it is smaller than the sum of its proper divisors (346564003114964).

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

220111102002220 is a wasteful number, since it uses less digits than its factorization.

220111102002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125192 (or 125190 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220111102002220 its reverse (22200201111022), we get a palindrome (242311303113242).

The spelling of 220111102002220 in words is "two hundred twenty trillion, one hundred eleven billion, one hundred two million, two thousand, two hundred twenty".