220111011200 has 96 divisors (see below), whose sum is σ = 561283331520. Its totient is φ = 85204224000.

The previous prime is 220111011187. The next prime is 220111011221. The reversal of 220111011200 is 2110111022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1010231 + ... + 1208630.

It is an arithmetic number, because the mean of its divisors is an integer number (5846701370).

Almost surely, 2^220111011200 is an apocalyptic number.

220111011200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220111011200 is an abundant number, since it is smaller than the sum of its proper divisors (341172320320).

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

220111011200 is a wasteful number, since it uses less digits than its factorization.

220111011200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2218916 (or 2218899 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 220111011200 its reverse (2110111022), we get a palindrome (222221122222).

The spelling of 220111011200 in words is "two hundred twenty billion, one hundred eleven million, eleven thousand, two hundred".