10221102020 has 48 divisors (see below), whose sum is σ = 22407090048. Its totient is φ = 3909016320.

The previous prime is 10221102019. The next prime is 10221102097. The reversal of 10221102020 is 2020112201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10221101992 and 10221102010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1974035 + ... + 1979205.

It is an arithmetic number, because the mean of its divisors is an integer number (466814376).

Almost surely, 2^10221102020 is an apocalyptic number.

10221102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10221102020 is an abundant number, since it is smaller than the sum of its proper divisors (12185988028).

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

10221102020 is a wasteful number, since it uses less digits than its factorization.

10221102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9500 (or 9498 counting only the distinct ones).

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

Adding to 10221102020 its reverse (2020112201), we get a palindrome (12241214221).

The spelling of 10221102020 in words is "ten billion, two hundred twenty-one million, one hundred two thousand, twenty".