100211222100091 has 2 divisors, whose sum is σ = 100211222100092. Its totient is φ = 100211222100090.

The previous prime is 100211222100089. The next prime is 100211222100131. The reversal of 100211222100091 is 190001222112001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100211222100091 - 2¹ = 100211222100089 is a prime.

Together with 100211222100089, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (100211222100001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50105611050045 + 50105611050046.

It is an arithmetic number, because the mean of its divisors is an integer number (50105611050046).

Almost surely, 2^{100211222100091} is an apocalyptic number.

100211222100091 is a deficient number, since it is larger than the sum of its proper divisors (1).

100211222100091 is an equidigital number, since it uses as much as digits as its factorization.

100211222100091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 22.

Adding to 100211222100091 its reverse (190001222112001), we get a palindrome (290212444212092).

The spelling of 100211222100091 in words is "one hundred trillion, two hundred eleven billion, two hundred twenty-two million, one hundred thousand, ninety-one".