200111221212011 has 2 divisors, whose sum is σ = 200111221212012. Its totient is φ = 200111221212010.

The previous prime is 200111221211981. The next prime is 200111221212053. The reversal of 200111221212011 is 110212122111002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200111221212011 - 2³⁰ = 200110147470187 is a prime.

It is not a weakly prime, because it can be changed into another prime (200111221212611) 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 as a sum of consecutive naturals, namely, 100055610606005 + 100055610606006.

It is an arithmetic number, because the mean of its divisors is an integer number (100055610606006).

Almost surely, 2^{200111221212011} is an apocalyptic number.

200111221212011 is a deficient number, since it is larger than the sum of its proper divisors (1).

200111221212011 is an equidigital number, since it uses as much as digits as its factorization.

200111221212011 is an odious number, because the sum of its binary digits is odd.

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

Adding to 200111221212011 its reverse (110212122111002), we get a palindrome (310323343323013).

The spelling of 200111221212011 in words is "two hundred trillion, one hundred eleven billion, two hundred twenty-one million, two hundred twelve thousand, eleven".