221303231330100 has 36 divisors (see below), whose sum is σ = 640304015982624. Its totient is φ = 59014195021280.

The previous prime is 221303231330087. The next prime is 221303231330119. The reversal of 221303231330100 is 1033132303122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 368838718584 + ... + 368838719183.

It is an arithmetic number, because the mean of its divisors is an integer number (17786222666184).

Almost surely, 2^{221303231330100} is an apocalyptic number.

221303231330100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221303231330100 is an abundant number, since it is smaller than the sum of its proper divisors (419000784652524).

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

221303231330100 is a wasteful number, since it uses less digits than its factorization.

221303231330100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737677437784 (or 737677437777 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 221303231330100 its reverse (1033132303122), we get a palindrome (222336363633222).

The spelling of 221303231330100 in words is "two hundred twenty-one trillion, three hundred three billion, two hundred thirty-one million, three hundred thirty thousand, one hundred".