10211112211 has 2 divisors, whose sum is σ = 10211112212. Its totient is φ = 10211112210.

The previous prime is 10211112209. The next prime is 10211112239. The reversal of 10211112211 is 11221111201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10211112211 - 2¹ = 10211112209 is a prime.

Together with 10211112209, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 10211112191 and 10211112200.

It is not a weakly prime, because it can be changed into another prime (10211112811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105556105 + 5105556106.

It is an arithmetic number, because the mean of its divisors is an integer number (5105556106).

Almost surely, 2^10211112211 is an apocalyptic number.

10211112211 is a deficient number, since it is larger than the sum of its proper divisors (1).

10211112211 is an equidigital number, since it uses as much as digits as its factorization.

10211112211 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 10211112211 its reverse (11221111201), we get a palindrome (21432223412).

The spelling of 10211112211 in words is "ten billion, two hundred eleven million, one hundred twelve thousand, two hundred eleven".