10221122020 has 24 divisors (see below), whose sum is σ = 21784722624. Its totient is φ = 4027426656.

The previous prime is 10221121951. The next prime is 10221122081. The reversal of 10221122020 is 2022112201.

It is a happy number.

10221122020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 3812512 + ... + 3815191.

It is an arithmetic number, because the mean of its divisors is an integer number (907696776).

Almost surely, 2^10221122020 is an apocalyptic number.

10221122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10221122020 is an abundant number, since it is smaller than the sum of its proper divisors (11563600604).

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

10221122020 is a wasteful number, since it uses less digits than its factorization.

10221122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7627779 (or 7627777 counting only the distinct ones).

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

Adding to 10221122020 its reverse (2022112201), we get a palindrome (12243234221).

The spelling of 10221122020 in words is "ten billion, two hundred twenty-one million, one hundred twenty-two thousand, twenty".