221120200200 has 144 divisors (see below), whose sum is σ = 728166988080. Its totient is φ = 55496791040.

The previous prime is 221120200193. The next prime is 221120200219. The reversal of 221120200200 is 2002021122.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 464202 + ... + 811001.

It is an arithmetic number, because the mean of its divisors is an integer number (5056715195).

Almost surely, 2^221120200200 is an apocalyptic number.

221120200200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221120200200 is an abundant number, since it is smaller than the sum of its proper divisors (507046787880).

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

221120200200 is a wasteful number, since it uses less digits than its factorization.

221120200200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275256 (or 1275230 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 221120200200 its reverse (2002021122), we get a palindrome (223122221322).

The spelling of 221120200200 in words is "two hundred twenty-one billion, one hundred twenty million, two hundred thousand, two hundred".