10212101010220 has 48 divisors (see below), whose sum is σ = 21687011629920. Its totient is φ = 4038824159744.

The previous prime is 10212101010217. The next prime is 10212101010239. The reversal of 10212101010220 is 2201010121201.

It is a self number, because there is not a number n which added to its sum of digits gives 10212101010220.

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, 83379867 + ... + 83502253.

It is an arithmetic number, because the mean of its divisors is an integer number (451812742290).

Almost surely, 2^{10212101010220} is an apocalyptic number.

10212101010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10212101010220 is an abundant number, since it is smaller than the sum of its proper divisors (11474910619700).

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

10212101010220 is a wasteful number, since it uses less digits than its factorization.

10212101010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169362 (or 169360 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10212101010220 its reverse (2201010121201), we get a palindrome (12413111131421).

The spelling of 10212101010220 in words is "ten trillion, two hundred twelve billion, one hundred one million, ten thousand, two hundred twenty".