200111011109 has 2 divisors, whose sum is σ = 200111011110. Its totient is φ = 200111011108.

The previous prime is 200111011091. The next prime is 200111011141. The reversal of 200111011109 is 901110111002.

It is a happy number.

Together with previous prime (200111011091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187578208609 + 12532802500 = 433103^2 + 111950^2 .

It is a cyclic number.

It is not a de Polignac number, because 200111011109 - 2²⁴ = 200094233893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200111011169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100055505554 + 100055505555.

It is an arithmetic number, because the mean of its divisors is an integer number (100055505555).

Almost surely, 2^200111011109 is an apocalyptic number.

It is an amenable number.

200111011109 is a deficient number, since it is larger than the sum of its proper divisors (1).

200111011109 is an equidigital number, since it uses as much as digits as its factorization.

200111011109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 17.

The spelling of 200111011109 in words is "two hundred billion, one hundred eleven million, eleven thousand, one hundred nine".