102212223221111 has 2 divisors, whose sum is σ = 102212223221112. Its totient is φ = 102212223221110.

The previous prime is 102212223221081. The next prime is 102212223221183. The reversal of 102212223221111 is 111122322212201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102212223221111 - 2⁴⁶ = 31843479043447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102212223227111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51106111610555 + 51106111610556.

It is an arithmetic number, because the mean of its divisors is an integer number (51106111610556).

Almost surely, 2^{102212223221111} is an apocalyptic number.

102212223221111 is a deficient number, since it is larger than the sum of its proper divisors (1).

102212223221111 is an equidigital number, since it uses as much as digits as its factorization.

102212223221111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 102212223221111 its reverse (111122322212201), we get a palindrome (213334545433312).

The spelling of 102212223221111 in words is "one hundred two trillion, two hundred twelve billion, two hundred twenty-three million, two hundred twenty-one thousand, one hundred eleven".