10221110020 has 24 divisors (see below), whose sum is σ = 23415634368. Its totient is φ = 3716767200.

The previous prime is 10221109999. The next prime is 10221110063. The reversal of 10221110020 is 2001112201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 10221109979 and 10221110006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23229576 + ... + 23230015.

It is an arithmetic number, because the mean of its divisors is an integer number (975651432).

Almost surely, 2^10221110020 is an apocalyptic number.

10221110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10221110020 is an abundant number, since it is smaller than the sum of its proper divisors (13194524348).

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

10221110020 is a wasteful number, since it uses less digits than its factorization.

10221110020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46459611 (or 46459609 counting only the distinct ones).

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

Adding to 10221110020 its reverse (2001112201), we get a palindrome (12222222221).

The spelling of 10221110020 in words is "ten billion, two hundred twenty-one million, one hundred ten thousand, twenty".