200201211221111 has 8 divisors (see below), whose sum is σ = 200510454380880. Its totient is φ = 199892189190528.

The previous prime is 200201211221069. The next prime is 200201211221113. The reversal of 200201211221111 is 111122112102002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200201211221111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200201211221111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200201211221113) 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 7 ways as a sum of consecutive naturals, for example, 53470136 + ... + 57091661.

It is an arithmetic number, because the mean of its divisors is an integer number (25063806797610).

Almost surely, 2^{200201211221111} is an apocalyptic number.

200201211221111 is a deficient number, since it is larger than the sum of its proper divisors (309243159769).

200201211221111 is a wasteful number, since it uses less digits than its factorization.

200201211221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110564593.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 200201211221111 its reverse (111122112102002), we get a palindrome (311323323323113).

The spelling of 200201211221111 in words is "two hundred trillion, two hundred one billion, two hundred eleven million, two hundred twenty-one thousand, one hundred eleven".