211222220012201 has 32 divisors (see below), whose sum is σ = 214480442142720. Its totient is φ = 207991168317504.

The previous prime is 211222220012189. The next prime is 211222220012227. The reversal of 211222220012201 is 102210022222112.

It is a cyclic number.

It is not a de Polignac number, because 211222220012201 - 2¹⁰ = 211222220011177 is a prime.

It is a super-2 number, since 2×211222220012201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211222220012291) 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 31 ways as a sum of consecutive naturals, for example, 38216429300 + ... + 38216434826.

It is an arithmetic number, because the mean of its divisors is an integer number (6702513816960).

Almost surely, 2^{211222220012201} is an apocalyptic number.

It is an amenable number.

211222220012201 is a deficient number, since it is larger than the sum of its proper divisors (3258222130519).

211222220012201 is a wasteful number, since it uses less digits than its factorization.

211222220012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8765.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 211222220012201 its reverse (102210022222112), we get a palindrome (313432242234313).

The spelling of 211222220012201 in words is "two hundred eleven trillion, two hundred twenty-two billion, two hundred twenty million, twelve thousand, two hundred one".