200100111091 has 2 divisors, whose sum is σ = 200100111092. Its totient is φ = 200100111090.

The previous prime is 200100111077. The next prime is 200100111103. The reversal of 200100111091 is 190111001002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200100111091 - 2³⁷ = 62661157619 is a prime.

It is not a weakly prime, because it can be changed into another prime (200100114091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100050055545 + 100050055546.

It is an arithmetic number, because the mean of its divisors is an integer number (100050055546).

Almost surely, 2^200100111091 is an apocalyptic number.

200100111091 is a deficient number, since it is larger than the sum of its proper divisors (1).

200100111091 is an equidigital number, since it uses as much as digits as its factorization.

200100111091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 200100111091 its reverse (190111001002), we get a palindrome (390211112093).

The spelling of 200100111091 in words is "two hundred billion, one hundred million, one hundred eleven thousand, ninety-one".