10221100220 has 24 divisors (see below), whose sum is σ = 21816187008. Its totient is φ = 4021416000.

The previous prime is 10221100151. The next prime is 10221100277. The reversal of 10221100220 is 2200112201.

It is a happy number.

10221100220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4187756 + ... + 4190195.

It is an arithmetic number, because the mean of its divisors is an integer number (909007792).

Almost surely, 2^10221100220 is an apocalyptic number.

10221100220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10221100220 is an abundant number, since it is smaller than the sum of its proper divisors (11595086788).

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

10221100220 is a wasteful number, since it uses less digits than its factorization.

10221100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8378021 (or 8378019 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10221100220 its reverse (2200112201), we get a palindrome (12421212421).

The spelling of 10221100220 in words is "ten billion, two hundred twenty-one million, one hundred thousand, two hundred twenty".