1214224321111 has 2 divisors, whose sum is σ = 1214224321112. Its totient is φ = 1214224321110.

The previous prime is 1214224321109. The next prime is 1214224321127. The reversal of 1214224321111 is 1111234224121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1214224321111 - 2¹ = 1214224321109 is a prime.

Together with 1214224321109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1214224321151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607112160555 + 607112160556.

It is an arithmetic number, because the mean of its divisors is an integer number (607112160556).

Almost surely, 2^{1214224321111} is an apocalyptic number.

1214224321111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214224321111 is an equidigital number, since it uses as much as digits as its factorization.

1214224321111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 25.

Adding to 1214224321111 its reverse (1111234224121), we get a palindrome (2325458545232).

The spelling of 1214224321111 in words is "one trillion, two hundred fourteen billion, two hundred twenty-four million, three hundred twenty-one thousand, one hundred eleven".