1002221222111 has 2 divisors, whose sum is σ = 1002221222112. Its totient is φ = 1002221222110.

The previous prime is 1002221222077. The next prime is 1002221222117. The reversal of 1002221222111 is 1112221222001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1002221222111 - 2³⁰ = 1001147480287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1002221222111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002221222117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501110611055 + 501110611056.

It is an arithmetic number, because the mean of its divisors is an integer number (501110611056).

Almost surely, 2^{1002221222111} is an apocalyptic number.

1002221222111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002221222111 is an equidigital number, since it uses as much as digits as its factorization.

1002221222111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1002221222111 its reverse (1112221222001), we get a palindrome (2114442444112).

The spelling of 1002221222111 in words is "one trillion, two billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred eleven".