100011222211211 has 2 divisors, whose sum is σ = 100011222211212. Its totient is φ = 100011222211210.

The previous prime is 100011222211207. The next prime is 100011222211283. The reversal of 100011222211211 is 112112222110001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100011222211211 - 2² = 100011222211207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100011222211211.

It is not a weakly prime, because it can be changed into another prime (100011222211111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50005611105605 + 50005611105606.

It is an arithmetic number, because the mean of its divisors is an integer number (50005611105606).

Almost surely, 2^{100011222211211} is an apocalyptic number.

100011222211211 is a deficient number, since it is larger than the sum of its proper divisors (1).

100011222211211 is an equidigital number, since it uses as much as digits as its factorization.

100011222211211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 100011222211211 its reverse (112112222110001), we get a palindrome (212123444321212).

The spelling of 100011222211211 in words is "one hundred trillion, eleven billion, two hundred twenty-two million, two hundred eleven thousand, two hundred eleven".