212211110221201 has 24 divisors (see below), whose sum is σ = 263152840008384. Its totient is φ = 167561333634240.

The previous prime is 212211110221157. The next prime is 212211110221277. The reversal of 212211110221201 is 102122011112212.

It is a happy number.

It is not a de Polignac number, because 212211110221201 - 2¹¹ = 212211110219153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212211110225201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182091106 + ... + 183252811.

It is an arithmetic number, because the mean of its divisors is an integer number (10964701667016).

Almost surely, 2^{212211110221201} is an apocalyptic number.

It is an amenable number.

212211110221201 is a deficient number, since it is larger than the sum of its proper divisors (50941729787183).

212211110221201 is a wasteful number, since it uses less digits than its factorization.

212211110221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365344441 (or 365344428 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 212211110221201 its reverse (102122011112212), we get a palindrome (314333121333413).

The spelling of 212211110221201 in words is "two hundred twelve trillion, two hundred eleven billion, one hundred ten million, two hundred twenty-one thousand, two hundred one".