200111019893 has 2 divisors, whose sum is σ = 200111019894. Its totient is φ = 200111019892.

The previous prime is 200111019881. The next prime is 200111019943. The reversal of 200111019893 is 398910111002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 169910488804 + 30200531089 = 412202^2 + 173783^2 .

It is a cyclic number.

It is not a de Polignac number, because 200111019893 - 2³⁴ = 182931150709 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200111019833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100055509946 + 100055509947.

It is an arithmetic number, because the mean of its divisors is an integer number (100055509947).

Almost surely, 2^200111019893 is an apocalyptic number.

It is an amenable number.

200111019893 is a deficient number, since it is larger than the sum of its proper divisors (1).

200111019893 is an equidigital number, since it uses as much as digits as its factorization.

200111019893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 35.

The spelling of 200111019893 in words is "two hundred billion, one hundred eleven million, nineteen thousand, eight hundred ninety-three".