200111212010111 has 2 divisors, whose sum is σ = 200111212010112. Its totient is φ = 200111212010110.

The previous prime is 200111212010081. The next prime is 200111212010167. The reversal of 200111212010111 is 111010212111002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200111212010111 - 2⁴⁶ = 129742467832447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200111212010911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100055606005055 + 100055606005056.

It is an arithmetic number, because the mean of its divisors is an integer number (100055606005056).

Almost surely, 2^{200111212010111} is an apocalyptic number.

200111212010111 is a deficient number, since it is larger than the sum of its proper divisors (1).

200111212010111 is an equidigital number, since it uses as much as digits as its factorization.

200111212010111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 200111212010111 its reverse (111010212111002), we get a palindrome (311121424121113).

The spelling of 200111212010111 in words is "two hundred trillion, one hundred eleven billion, two hundred twelve million, ten thousand, one hundred eleven".