221332200103220 has 48 divisors (see below), whose sum is σ = 464946326062848. Its totient is φ = 88504559105280.

The previous prime is 221332200103207. The next prime is 221332200103279. The reversal of 221332200103220 is 22301002233122.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 944612480 + ... + 944846760.

It is an arithmetic number, because the mean of its divisors is an integer number (9686381792976).

Almost surely, 2^{221332200103220} is an apocalyptic number.

221332200103220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221332200103220 is an abundant number, since it is smaller than the sum of its proper divisors (243614125959628).

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

221332200103220 is a wasteful number, since it uses less digits than its factorization.

221332200103220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249200 (or 249198 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 221332200103220 its reverse (22301002233122), we get a palindrome (243633202336342).

The spelling of 221332200103220 in words is "two hundred twenty-one trillion, three hundred thirty-two billion, two hundred million, one hundred three thousand, two hundred twenty".