211322221201 has 16 divisors (see below), whose sum is σ = 263970818944. Its totient is φ = 164704472064.

The previous prime is 211322221199. The next prime is 211322221247. The reversal of 211322221201 is 102122223112.

It is a cyclic number.

It is not a de Polignac number, because 211322221201 - 2¹ = 211322221199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211322221501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17323920 + ... + 17336113.

It is an arithmetic number, because the mean of its divisors is an integer number (16498176184).

Almost surely, 2^211322221201 is an apocalyptic number.

It is an amenable number.

211322221201 is a deficient number, since it is larger than the sum of its proper divisors (52648597743).

211322221201 is a wasteful number, since it uses less digits than its factorization.

211322221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34660120.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 211322221201 its reverse (102122223112), we get a palindrome (313444444313).

The spelling of 211322221201 in words is "two hundred eleven billion, three hundred twenty-two million, two hundred twenty-one thousand, two hundred one".