102211011211 has 2 divisors, whose sum is σ = 102211011212. Its totient is φ = 102211011210.

The previous prime is 102211011181. The next prime is 102211011229. The reversal of 102211011211 is 112110112201.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (112110112201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102211011211 - 2⁵ = 102211011179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102211011191 and 102211011200.

It is not a weakly prime, because it can be changed into another prime (102211015211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51105505605 + 51105505606.

It is an arithmetic number, because the mean of its divisors is an integer number (51105505606).

Almost surely, 2^102211011211 is an apocalyptic number.

102211011211 is a deficient number, since it is larger than the sum of its proper divisors (1).

102211011211 is an equidigital number, since it uses as much as digits as its factorization.

102211011211 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 102211011211 its reverse (112110112201), we get a palindrome (214321123412).

The spelling of 102211011211 in words is "one hundred two billion, two hundred eleven million, eleven thousand, two hundred eleven".