100211210010091 has 2 divisors, whose sum is σ = 100211210010092. Its totient is φ = 100211210010090.

The previous prime is 100211210010077. The next prime is 100211210010287. The reversal of 100211210010091 is 190010012112001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100211210010091 - 2⁵ = 100211210010059 is a prime.

It is a super-2 number, since 2×100211210010091² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100211210010071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50105605005045 + 50105605005046.

It is an arithmetic number, because the mean of its divisors is an integer number (50105605005046).

Almost surely, 2^{100211210010091} is an apocalyptic number.

100211210010091 is a deficient number, since it is larger than the sum of its proper divisors (1).

100211210010091 is an equidigital number, since it uses as much as digits as its factorization.

100211210010091 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 100211210010091 its reverse (190010012112001), we get a palindrome (290221222122092).

The spelling of 100211210010091 in words is "one hundred trillion, two hundred eleven billion, two hundred ten million, ten thousand, ninety-one".