10212211200021 has 24 divisors (see below), whose sum is σ = 13894624280160. Its totient is φ = 6671635801920.

The previous prime is 10212211199951. The next prime is 10212211200041. The reversal of 10212211200021 is 12000211221201.

It is not a de Polignac number, because 10212211200021 - 2¹¹ = 10212211197973 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212211200041) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1302426 + ... + 4703268.

It is an arithmetic number, because the mean of its divisors is an integer number (578942678340).

Almost surely, 2^{10212211200021} is an apocalyptic number.

It is an amenable number.

10212211200021 is a deficient number, since it is larger than the sum of its proper divisors (3682413080139).

10212211200021 is an equidigital number, since it uses as much as digits as its factorization.

10212211200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3401237 (or 3401176 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10212211200021 its reverse (12000211221201), we get a palindrome (22212422421222).

The spelling of 10212211200021 in words is "ten trillion, two hundred twelve billion, two hundred eleven million, two hundred thousand, twenty-one".