100221010210 has 16 divisors (see below), whose sum is σ = 183455409600. Its totient is φ = 39408939376.

The previous prime is 100221010093. The next prime is 100221010217. The reversal of 100221010210 is 12010122001.

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 (100221010217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84932470 + ... + 84933649.

It is an arithmetic number, because the mean of its divisors is an integer number (11465963100).

Almost surely, 2^100221010210 is an apocalyptic number.

100221010210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100221010210 is a deficient number, since it is larger than the sum of its proper divisors (83234399390).

100221010210 is a wasteful number, since it uses less digits than its factorization.

100221010210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169866185.

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

Adding to 100221010210 its reverse (12010122001), we get a palindrome (112231132211).

The spelling of 100221010210 in words is "one hundred billion, two hundred twenty-one million, ten thousand, two hundred ten".