221001113200 has 90 divisors (see below), whose sum is σ = 617641788336. Its totient is φ = 75771803520.

The previous prime is 221001113101. The next prime is 221001113227. The reversal of 221001113200 is 2311100122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5618184 + ... + 5657383.

Almost surely, 2^221001113200 is an apocalyptic number.

221001113200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221001113200 is an abundant number, since it is smaller than the sum of its proper divisors (396640675136).

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

221001113200 is a wasteful number, since it uses less digits than its factorization.

221001113200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11275599 (or 11275581 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 221001113200 its reverse (2311100122), we get a palindrome (223312213322).

The spelling of 221001113200 in words is "two hundred twenty-one billion, one million, one hundred thirteen thousand, two hundred".