100222211020 has 12 divisors (see below), whose sum is σ = 210466643184. Its totient is φ = 40088884400.

The previous prime is 100222210997. The next prime is 100222211021. The reversal of 100222211020 is 20112222001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (100222211021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2505555256 + ... + 2505555295.

It is an arithmetic number, because the mean of its divisors is an integer number (17538886932).

Almost surely, 2^100222211020 is an apocalyptic number.

100222211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100222211020 is an abundant number, since it is smaller than the sum of its proper divisors (110244432164).

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

100222211020 is a wasteful number, since it uses less digits than its factorization.

100222211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5011110560 (or 5011110558 counting only the distinct ones).

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

Adding to 100222211020 its reverse (20112222001), we get a palindrome (120334433021).

The spelling of 100222211020 in words is "one hundred billion, two hundred twenty-two million, two hundred eleven thousand, twenty".