1213413233111 has 2 divisors, whose sum is σ = 1213413233112. Its totient is φ = 1213413233110.

The previous prime is 1213413233027. The next prime is 1213413233167. The reversal of 1213413233111 is 1113323143121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1213413233111 - 2¹⁴ = 1213413216727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213413233911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606706616555 + 606706616556.

It is an arithmetic number, because the mean of its divisors is an integer number (606706616556).

Almost surely, 2^{1213413233111} is an apocalyptic number.

1213413233111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213413233111 is an equidigital number, since it uses as much as digits as its factorization.

1213413233111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 26.

Adding to 1213413233111 its reverse (1113323143121), we get a palindrome (2326736376232).

The spelling of 1213413233111 in words is "one trillion, two hundred thirteen billion, four hundred thirteen million, two hundred thirty-three thousand, one hundred eleven".