100221330 has 64 divisors (see below), whose sum is σ = 263606400. Its totient is φ = 24184320.

The previous prime is 100221323. The next prime is 100221367. The reversal of 100221330 is 33122001.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88206 + ... + 89334.

It is an arithmetic number, because the mean of its divisors is an integer number (4118850).

Almost surely, 2^100221330 is an apocalyptic number.

100221330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 100221330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131803200).

100221330 is an abundant number, since it is smaller than the sum of its proper divisors (163385070).

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

100221330 is a wasteful number, since it uses less digits than its factorization.

100221330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 100221330 is about 10011.0603833960. The cubic root of 100221330 is about 464.5010719821.

Adding to 100221330 its reverse (33122001), we get a palindrome (133343331).

The spelling of 100221330 in words is "one hundred million, two hundred twenty-one thousand, three hundred thirty".