201211200222001 has 8 divisors (see below), whose sum is σ = 211802373043520. Its totient is φ = 190620138365712.

The previous prime is 201211200221959. The next prime is 201211200222127. The reversal of 201211200222001 is 100222002112102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201211200222001 - 2⁹ = 201211200221489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201211200262001) 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 7 ways as a sum of consecutive naturals, for example, 24006405 + ... + 31284658.

It is an arithmetic number, because the mean of its divisors is an integer number (26475296630440).

Almost surely, 2^{201211200222001} is an apocalyptic number.

It is an amenable number.

201211200222001 is a deficient number, since it is larger than the sum of its proper divisors (10591172821519).

201211200222001 is a wasteful number, since it uses less digits than its factorization.

201211200222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55482615.

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

Adding to 201211200222001 its reverse (100222002112102), we get a palindrome (301433202334103).

The spelling of 201211200222001 in words is "two hundred one trillion, two hundred eleven billion, two hundred million, two hundred twenty-two thousand, one".