10021100010020 has 48 divisors (see below), whose sum is σ = 22967494897536. Its totient is φ = 3642438624000.

The previous prime is 10021100010001. The next prime is 10021100010041. The reversal of 10021100010020 is 2001000112001.

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 15 ways as a sum of consecutive naturals, for example, 9482936 + ... + 10486575.

It is an arithmetic number, because the mean of its divisors is an integer number (478489477032).

Almost surely, 2^{10021100010020} is an apocalyptic number.

10021100010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10021100010020 is an abundant number, since it is smaller than the sum of its proper divisors (12946394887516).

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

10021100010020 is a wasteful number, since it uses less digits than its factorization.

10021100010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19971812 (or 19971810 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 10021100010020 its reverse (2001000112001), we get a palindrome (12022100122021).

The spelling of 10021100010020 in words is "ten trillion, twenty-one billion, one hundred million, ten thousand, twenty".