200010121111 has 2 divisors, whose sum is σ = 200010121112. Its totient is φ = 200010121110.

The previous prime is 200010121081. The next prime is 200010121151. The reversal of 200010121111 is 111121010002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200010121111 - 2⁵ = 200010121079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200010121151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100005060555 + 100005060556.

It is an arithmetic number, because the mean of its divisors is an integer number (100005060556).

Almost surely, 2^200010121111 is an apocalyptic number.

200010121111 is a deficient number, since it is larger than the sum of its proper divisors (1).

200010121111 is an equidigital number, since it uses as much as digits as its factorization.

200010121111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 200010121111 its reverse (111121010002), we get a palindrome (311131131113).

The spelling of 200010121111 in words is "two hundred billion, ten million, one hundred twenty-one thousand, one hundred eleven".