221112020220200 has 24 divisors (see below), whose sum is σ = 514085447012430. Its totient is φ = 88444808088000.

The previous prime is 221112020220199. The next prime is 221112020220233. The reversal of 221112020220200 is 2022020211122.

It is a happy number.

221112020220200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 174297715178596 + 46814305041604 = 13202186^2 + 6842098^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 552780050351 + ... + 552780050750.

Almost surely, 2^{221112020220200} is an apocalyptic number.

221112020220200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221112020220200 is an abundant number, since it is smaller than the sum of its proper divisors (292973426792230).

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

221112020220200 is a wasteful number, since it uses less digits than its factorization.

221112020220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105560101117 (or 1105560101108 counting only the distinct ones).

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

Adding to 221112020220200 its reverse (2022020211122), we get a palindrome (223134040431322).

The spelling of 221112020220200 in words is "two hundred twenty-one trillion, one hundred twelve billion, twenty million, two hundred twenty thousand, two hundred".