100222110220 has 24 divisors (see below), whose sum is σ = 210473802000. Its totient is φ = 40087440192.

The previous prime is 100222110217. The next prime is 100222110227. The reversal of 100222110220 is 22011222001.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 100222110220.

It is not an unprimeable number, because it can be changed into a prime (100222110227) 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, 648186 + ... + 787774.

It is an arithmetic number, because the mean of its divisors is an integer number (8769741750).

Almost surely, 2^100222110220 is an apocalyptic number.

100222110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100222110220 is an abundant number, since it is smaller than the sum of its proper divisors (110251691780).

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

100222110220 is a wasteful number, since it uses less digits than its factorization.

100222110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175497 (or 175495 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 100222110220 its reverse (22011222001), we get a palindrome (122233332221).

The spelling of 100222110220 in words is "one hundred billion, two hundred twenty-two million, one hundred ten thousand, two hundred twenty".