100211202099991 has 2 divisors, whose sum is σ = 100211202099992. Its totient is φ = 100211202099990.

The previous prime is 100211202099977. The next prime is 100211202100021. The reversal of 100211202099991 is 199990202112001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100211202099991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100211202097991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50105601049995 + 50105601049996.

It is an arithmetic number, because the mean of its divisors is an integer number (50105601049996).

Almost surely, 2^{100211202099991} is an apocalyptic number.

100211202099991 is a deficient number, since it is larger than the sum of its proper divisors (1).

100211202099991 is an equidigital number, since it uses as much as digits as its factorization.

100211202099991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 46.

The spelling of 100211202099991 in words is "one hundred trillion, two hundred eleven billion, two hundred two million, ninety-nine thousand, nine hundred ninety-one".