221112200200 has 48 divisors (see below), whose sum is σ = 516292351380. Its totient is φ = 88065269760.

The previous prime is 221112200143. The next prime is 221112200209. The reversal of 221112200200 is 2002211122.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 105535319044 + 115576881156 = 324862^2 + 339966^2 .

It is not an unprimeable number, because it can be changed into a prime (221112200209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2325849 + ... + 2419048.

Almost surely, 2^221112200200 is an apocalyptic number.

221112200200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221112200200 is an abundant number, since it is smaller than the sum of its proper divisors (295180151180).

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

221112200200 is a wasteful number, since it uses less digits than its factorization.

221112200200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4745146 (or 4745137 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 221112200200 its reverse (2002211122), we get a palindrome (223114411322).

The spelling of 221112200200 in words is "two hundred twenty-one billion, one hundred twelve million, two hundred thousand, two hundred".