221300320221000 has 192 divisors, whose sum is σ = 748010068790400. Its totient is φ = 59012236368000.

The previous prime is 221300320220989. The next prime is 221300320221031. The reversal of 221300320221000 is 122023003122.

221300320221000 is a `hidden beast` number, since 2 + 2 + 130 + 0 + 320 + 2 + 210 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 507012855 + ... + 507449145.

It is an arithmetic number, because the mean of its divisors is an integer number (3895885774950).

Almost surely, 2^{221300320221000} is an apocalyptic number.

221300320221000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221300320221000 is an abundant number, since it is smaller than the sum of its proper divisors (526709748569400).

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

221300320221000 is a wasteful number, since it uses less digits than its factorization.

221300320221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492677 (or 492660 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 221300320221000 its reverse (122023003122), we get a palindrome (221422343224122).

The spelling of 221300320221000 in words is "two hundred twenty-one trillion, three hundred billion, three hundred twenty million, two hundred twenty-one thousand".