211222001002201 has 16 divisors (see below), whose sum is σ = 243301711881600. Its totient is φ = 179620130609280.

The previous prime is 211222001002183. The next prime is 211222001002223. The reversal of 211222001002201 is 102200100222112.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 211222001002201 - 2¹⁹ = 211222000477913 is a prime.

It is a super-2 number, since 2×211222001002201² (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 (211222001002261) 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 15 ways as a sum of consecutive naturals, for example, 63188890 + ... + 66447571.

It is an arithmetic number, because the mean of its divisors is an integer number (15206356992600).

Almost surely, 2^{211222001002201} is an apocalyptic number.

It is an amenable number.

211222001002201 is a deficient number, since it is larger than the sum of its proper divisors (32079710879399).

211222001002201 is a wasteful number, since it uses less digits than its factorization.

211222001002201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129638304.

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

Adding to 211222001002201 its reverse (102200100222112), we get a palindrome (313422101224313).

The spelling of 211222001002201 in words is "two hundred eleven trillion, two hundred twenty-two billion, one million, two thousand, two hundred one".