10212221202020 has 12 divisors (see below), whose sum is σ = 21445664524284. Its totient is φ = 4084888480800.

The previous prime is 10212221202013. The next prime is 10212221202047. The reversal of 10212221202020 is 2020212221201.

It is a happy number.

10212221202020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2692198387264 + 7520022814756 = 1640792^2 + 2742266^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10212221202020.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255305530031 + ... + 255305530070.

It is an arithmetic number, because the mean of its divisors is an integer number (1787138710357).

Almost surely, 2^{10212221202020} is an apocalyptic number.

10212221202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10212221202020 is an abundant number, since it is smaller than the sum of its proper divisors (11233443322264).

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

10212221202020 is a wasteful number, since it uses less digits than its factorization.

10212221202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510611060110 (or 510611060108 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10212221202020 its reverse (2020212221201), we get a palindrome (12232433423221).

The spelling of 10212221202020 in words is "ten trillion, two hundred twelve billion, two hundred twenty-one million, two hundred two thousand, twenty".