100221060 has 48 divisors (see below), whose sum is σ = 283360896. Its totient is φ = 26464512.

The previous prime is 100221019. The next prime is 100221073. The reversal of 100221060 is 60122001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1929 + ... + 14288.

It is an arithmetic number, because the mean of its divisors is an integer number (5903352).

Almost surely, 2^100221060 is an apocalyptic number.

100221060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100221060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141680448).

100221060 is an abundant number, since it is smaller than the sum of its proper divisors (183139836).

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

100221060 is a wasteful number, since it uses less digits than its factorization.

100221060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16332 (or 16330 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 100221060 is about 10011.0468983019. The cubic root of 100221060 is about 464.5006548540.

Adding to 100221060 its reverse (60122001), we get a palindrome (160343061).

The spelling of 100221060 in words is "one hundred million, two hundred twenty-one thousand, sixty".