10221112202020 has 24 divisors (see below), whose sum is σ = 21499011475200. Its totient is φ = 4081839956832.

The previous prime is 10221112202017. The next prime is 10221112202051. The reversal of 10221112202020 is 2020221112201.

It is a happy number.

It is a super-4 number, since 4×10221112202020⁴ (a number of 53 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 10221112201985 and 10221112202003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412795060 + ... + 412819819.

It is an arithmetic number, because the mean of its divisors is an integer number (895792144800).

Almost surely, 2^{10221112202020} is an apocalyptic number.

10221112202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10221112202020 is an abundant number, since it is smaller than the sum of its proper divisors (11277899273180).

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

10221112202020 is a wasteful number, since it uses less digits than its factorization.

10221112202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825615507 (or 825615505 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10221112202020 its reverse (2020221112201), we get a palindrome (12241333314221).

The spelling of 10221112202020 in words is "ten trillion, two hundred twenty-one billion, one hundred twelve million, two hundred two thousand, twenty".