10210221000020 has 24 divisors (see below), whose sum is σ = 21511306015584. Its totient is φ = 4070785178016.

The previous prime is 10210221000013. The next prime is 10210221000041. The reversal of 10210221000020 is 2000012201201.

It is a happy number.

It is a super-2 number, since 2×10210221000020² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10210220999965 and 10210221000010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 831445082 + ... + 831457361.

It is an arithmetic number, because the mean of its divisors is an integer number (896304417316).

Almost surely, 2^{10210221000020} is an apocalyptic number.

10210221000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10210221000020 is an abundant number, since it is smaller than the sum of its proper divisors (11301085015564).

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

10210221000020 is a wasteful number, since it uses less digits than its factorization.

10210221000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662902759 (or 1662902757 counting only the distinct ones).

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

Adding to 10210221000020 its reverse (2000012201201), we get a palindrome (12210233201221).

The spelling of 10210221000020 in words is "ten trillion, two hundred ten billion, two hundred twenty-one million, twenty", and thus it is an aban number.