1322213123111 has 2 divisors, whose sum is σ = 1322213123112. Its totient is φ = 1322213123110.

The previous prime is 1322213123107. The next prime is 1322213123167. The reversal of 1322213123111 is 1113213122231.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1322213123111 - 2² = 1322213123107 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1322213123191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661106561555 + 661106561556.

It is an arithmetic number, because the mean of its divisors is an integer number (661106561556).

Almost surely, 2^{1322213123111} is an apocalyptic number.

1322213123111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322213123111 is an equidigital number, since it uses as much as digits as its factorization.

1322213123111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 23.

Adding to 1322213123111 its reverse (1113213122231), we get a palindrome (2435426245342).

The spelling of 1322213123111 in words is "one trillion, three hundred twenty-two billion, two hundred thirteen million, one hundred twenty-three thousand, one hundred eleven".