102222100211111 has 2 divisors, whose sum is σ = 102222100211112. Its totient is φ = 102222100211110.

The previous prime is 102222100211107. The next prime is 102222100211167. The reversal of 102222100211111 is 111112001222201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102222100211111 - 2² = 102222100211107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102222100211111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102222100271111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51111050105555 + 51111050105556.

It is an arithmetic number, because the mean of its divisors is an integer number (51111050105556).

Almost surely, 2^{102222100211111} is an apocalyptic number.

102222100211111 is a deficient number, since it is larger than the sum of its proper divisors (1).

102222100211111 is an equidigital number, since it uses as much as digits as its factorization.

102222100211111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102222100211111 its reverse (111112001222201), we get a palindrome (213334101433312).

The spelling of 102222100211111 in words is "one hundred two trillion, two hundred twenty-two billion, one hundred million, two hundred eleven thousand, one hundred eleven".