102221203111 has 2 divisors, whose sum is σ = 102221203112. Its totient is φ = 102221203110.

The previous prime is 102221203109. The next prime is 102221203223. The reversal of 102221203111 is 111302122201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102221203111 - 2¹ = 102221203109 is a prime.

Together with 102221203109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102221303111) 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, 51110601555 + 51110601556.

It is an arithmetic number, because the mean of its divisors is an integer number (51110601556).

Almost surely, 2^102221203111 is an apocalyptic number.

102221203111 is a deficient number, since it is larger than the sum of its proper divisors (1).

102221203111 is an equidigital number, since it uses as much as digits as its factorization.

102221203111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 102221203111 its reverse (111302122201), we get a palindrome (213523325312).

The spelling of 102221203111 in words is "one hundred two billion, two hundred twenty-one million, two hundred three thousand, one hundred eleven".