1000011220211 has 2 divisors, whose sum is σ = 1000011220212. Its totient is φ = 1000011220210.

The previous prime is 1000011220163. The next prime is 1000011220277. The reversal of 1000011220211 is 1120221100001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1000011220211 - 2³⁰ = 998937478387 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1000011220192 and 1000011220201.

It is not a weakly prime, because it can be changed into another prime (1000011220111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500005610105 + 500005610106.

It is an arithmetic number, because the mean of its divisors is an integer number (500005610106).

Almost surely, 2^{1000011220211} is an apocalyptic number.

1000011220211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000011220211 is an equidigital number, since it uses as much as digits as its factorization.

1000011220211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1000011220211 its reverse (1120221100001), we get a palindrome (2120232320212).

The spelling of 1000011220211 in words is "one trillion, eleven million, two hundred twenty thousand, two hundred eleven".