212002200221 has 16 divisors (see below), whose sum is σ = 245081975040. Its totient is φ = 179625392640.

The previous prime is 212002200197. The next prime is 212002200233. The reversal of 212002200221 is 122002200212.

212002200221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 212002200221 - 2¹⁰ = 212002199197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212002200196 and 212002200205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212002200821) 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 15 ways as a sum of consecutive naturals, for example, 374576 + ... + 751206.

It is an arithmetic number, because the mean of its divisors is an integer number (15317623440).

Almost surely, 2^212002200221 is an apocalyptic number.

It is an amenable number.

212002200221 is a deficient number, since it is larger than the sum of its proper divisors (33079774819).

212002200221 is an equidigital number, since it uses as much as digits as its factorization.

212002200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377564.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 212002200221 its reverse (122002200212), we get a palindrome (334004400433).

Subtracting from 212002200221 its reverse (122002200212), we obtain a palindrome (90000000009).

The spelling of 212002200221 in words is "two hundred twelve billion, two million, two hundred thousand, two hundred twenty-one".