100221100210 has 64 divisors (see below), whose sum is σ = 225195344640. Its totient is φ = 31198360320.

The previous prime is 100221100207. The next prime is 100221100211. The reversal of 100221100210 is 12001122001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (100221100211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 532036 + ... + 695344.

It is an arithmetic number, because the mean of its divisors is an integer number (3518677260).

Almost surely, 2^100221100210 is an apocalyptic number.

100221100210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100221100210 is an abundant number, since it is smaller than the sum of its proper divisors (124974244430).

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

100221100210 is a wasteful number, since it uses less digits than its factorization.

100221100210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164131.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 100221100210 its reverse (12001122001), we get a palindrome (112222222211).

The spelling of 100221100210 in words is "one hundred billion, two hundred twenty-one million, one hundred thousand, two hundred ten".