100221101210 has 8 divisors (see below), whose sum is σ = 180397982196. Its totient is φ = 40088440480.

The previous prime is 100221101179. The next prime is 100221101237. The reversal of 100221101210 is 12101122001.

It can be written as a sum of positive squares in 2 ways, for example, as 98650643569 + 1570457641 = 314087^2 + 39629^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 100221101191 and 100221101200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5011055051 + ... + 5011055070.

Almost surely, 2^100221101210 is an apocalyptic number.

100221101210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100221101210 is a deficient number, since it is larger than the sum of its proper divisors (80176880986).

100221101210 is a wasteful number, since it uses less digits than its factorization.

100221101210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10022110128.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100221101210 its reverse (12101122001), we get a palindrome (112322223211).

The spelling of 100221101210 in words is "one hundred billion, two hundred twenty-one million, one hundred one thousand, two hundred ten".