100221200221100 has 288 divisors, whose sum is σ = 259743779084160. Its totient is φ = 32838220800000.

The previous prime is 100221200221069. The next prime is 100221200221123. The reversal of 100221200221100 is 1122002122001.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10122326150 + ... + 10122336050.

It is an arithmetic number, because the mean of its divisors is an integer number (901888121820).

Almost surely, 2^{100221200221100} is an apocalyptic number.

100221200221100 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 100221200221100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129871889542080).

100221200221100 is an abundant number, since it is smaller than the sum of its proper divisors (159522578863060).

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

100221200221100 is a wasteful number, since it uses less digits than its factorization.

100221200221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14989 (or 14982 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 100221200221100 its reverse (1122002122001), we get a palindrome (101343202343101).

The spelling of 100221200221100 in words is "one hundred trillion, two hundred twenty-one billion, two hundred million, two hundred twenty-one thousand, one hundred".