10001120211211 has 2 divisors, whose sum is σ = 10001120211212. Its totient is φ = 10001120211210.

The previous prime is 10001120211161. The next prime is 10001120211239. The reversal of 10001120211211 is 11211202110001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10001120211211 - 2⁷ = 10001120211083 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10001120211191 and 10001120211200.

It is not a weakly prime, because it can be changed into another prime (10001120211241) 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, 5000560105605 + 5000560105606.

It is an arithmetic number, because the mean of its divisors is an integer number (5000560105606).

Almost surely, 2^{10001120211211} is an apocalyptic number.

10001120211211 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001120211211 is an equidigital number, since it uses as much as digits as its factorization.

10001120211211 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 13.

Adding to 10001120211211 its reverse (11211202110001), we get a palindrome (21212322321212).

The spelling of 10001120211211 in words is "ten trillion, one billion, one hundred twenty million, two hundred eleven thousand, two hundred eleven".