100200201120991 has 2 divisors, whose sum is σ = 100200201120992. Its totient is φ = 100200201120990.

The previous prime is 100200201120973. The next prime is 100200201121063. The reversal of 100200201120991 is 199021102002001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100200201120991 - 2¹¹ = 100200201118943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100200201120961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50100100560495 + 50100100560496.

It is an arithmetic number, because the mean of its divisors is an integer number (50100100560496).

Almost surely, 2^{100200201120991} is an apocalyptic number.

100200201120991 is a deficient number, since it is larger than the sum of its proper divisors (1).

100200201120991 is an equidigital number, since it uses as much as digits as its factorization.

100200201120991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 28.

Adding to 100200201120991 its reverse (199021102002001), we get a palindrome (299221303122992).

The spelling of 100200201120991 in words is "one hundred trillion, two hundred billion, two hundred one million, one hundred twenty thousand, nine hundred ninety-one".