221000200110 has 48 divisors (see below), whose sum is σ = 574634264256. Its totient is φ = 58929925824.

The previous prime is 221000200061. The next prime is 221000200111. The reversal of 221000200110 is 11002000122.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 221000200092 and 221000200101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221000200111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1713192 + ... + 1837668.

It is an arithmetic number, because the mean of its divisors is an integer number (11971547172).

Almost surely, 2^221000200110 is an apocalyptic number.

221000200110 is an abundant number, since it is smaller than the sum of its proper divisors (353634064146).

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

221000200110 is a wasteful number, since it uses less digits than its factorization.

221000200110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144217 (or 144214 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 221000200110 its reverse (11002000122), we get a palindrome (232002200232).

The spelling of 221000200110 in words is "two hundred twenty-one billion, two hundred thousand, one hundred ten".