10101110101211 has 2 divisors, whose sum is σ = 10101110101212. Its totient is φ = 10101110101210.

The previous prime is 10101110101189. The next prime is 10101110101241. The reversal of 10101110101211 is 11210101110101.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (11210101110101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10101110101211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10101110101192 and 10101110101201.

It is not a weakly prime, because it can be changed into another prime (10101110101241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050555050605 + 5050555050606.

It is an arithmetic number, because the mean of its divisors is an integer number (5050555050606).

Almost surely, 2^{10101110101211} is an apocalyptic number.

10101110101211 is a deficient number, since it is larger than the sum of its proper divisors (1).

10101110101211 is an equidigital number, since it uses as much as digits as its factorization.

10101110101211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 10101110101211 its reverse (11210101110101), we get a palindrome (21311211211312).

The spelling of 10101110101211 in words is "ten trillion, one hundred one billion, one hundred ten million, one hundred one thousand, two hundred eleven".