200112021010091 has 2 divisors, whose sum is σ = 200112021010092. Its totient is φ = 200112021010090.

The previous prime is 200112021010001. The next prime is 200112021010171. The reversal of 200112021010091 is 190010120211002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200112021010091 is a prime.

It is not a weakly prime, because it can be changed into another prime (200112021010001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100056010505045 + 100056010505046.

It is an arithmetic number, because the mean of its divisors is an integer number (100056010505046).

Almost surely, 2^{200112021010091} is an apocalyptic number.

200112021010091 is a deficient number, since it is larger than the sum of its proper divisors (1).

200112021010091 is an equidigital number, since it uses as much as digits as its factorization.

200112021010091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 200112021010091 its reverse (190010120211002), we get a palindrome (390122141221093).

The spelling of 200112021010091 in words is "two hundred trillion, one hundred twelve billion, twenty-one million, ten thousand, ninety-one".