102222222221111 has 2 divisors, whose sum is σ = 102222222221112. Its totient is φ = 102222222221110.

The previous prime is 102222222221101. The next prime is 102222222221113. The reversal of 102222222221111 is 111122222222201.

It is a strong prime.

It is an emirp because it is prime and its reverse (111122222222201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102222222221111 - 2⁴⁶ = 31853478043447 is a prime.

Together with 102222222221113, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102222222221113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51111111110555 + 51111111110556.

It is an arithmetic number, because the mean of its divisors is an integer number (51111111110556).

Almost surely, 2^{102222222221111} is an apocalyptic number.

102222222221111 is a deficient number, since it is larger than the sum of its proper divisors (1).

102222222221111 is an equidigital number, since it uses as much as digits as its factorization.

102222222221111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 102222222221111 its reverse (111122222222201), we get a palindrome (213344444443312).

The spelling of 102222222221111 in words is "one hundred two trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred eleven".