212211022201 has 4 divisors (see below), whose sum is σ = 212215790592. Its totient is φ = 212206253812.

The previous prime is 212211022189. The next prime is 212211022213. The reversal of 212211022201 is 102220112212.

It is a happy number.

212211022201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (212211022189) and next prime (212211022213).

It is a cyclic number.

It is not a de Polignac number, because 212211022201 - 2⁹ = 212211021689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212211022801) 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 3 ways as a sum of consecutive naturals, for example, 2316805 + ... + 2406658.

It is an arithmetic number, because the mean of its divisors is an integer number (53053947648).

Almost surely, 2^212211022201 is an apocalyptic number.

It is an amenable number.

212211022201 is a deficient number, since it is larger than the sum of its proper divisors (4768391).

212211022201 is an equidigital number, since it uses as much as digits as its factorization.

212211022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4768390.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212211022201 its reverse (102220112212), we get a palindrome (314431134413).

The spelling of 212211022201 in words is "two hundred twelve billion, two hundred eleven million, twenty-two thousand, two hundred one".