20000211011191 has 2 divisors, whose sum is σ = 20000211011192. Its totient is φ = 20000211011190.

The previous prime is 20000211011069. The next prime is 20000211011197. The reversal of 20000211011191 is 19111011200002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20000211011191 - 2⁷ = 20000211011063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20000211011197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000105505595 + 10000105505596.

It is an arithmetic number, because the mean of its divisors is an integer number (10000105505596).

Almost surely, 2^{20000211011191} is an apocalyptic number.

20000211011191 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000211011191 is an equidigital number, since it uses as much as digits as its factorization.

20000211011191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 19.

Adding to 20000211011191 its reverse (19111011200002), we get a palindrome (39111222211193).

The spelling of 20000211011191 in words is "twenty trillion, two hundred eleven million, eleven thousand, one hundred ninety-one".