133321331111 has 2 divisors, whose sum is σ = 133321331112. Its totient is φ = 133321331110.

The previous prime is 133321331081. The next prime is 133321331119. The reversal of 133321331111 is 111133123331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133321331111 - 2²² = 133317136807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133321331119) 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, 66660665555 + 66660665556.

It is an arithmetic number, because the mean of its divisors is an integer number (66660665556).

Almost surely, 2^133321331111 is an apocalyptic number.

133321331111 is a deficient number, since it is larger than the sum of its proper divisors (1).

133321331111 is an equidigital number, since it uses as much as digits as its factorization.

133321331111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 486, while the sum is 23.

Adding to 133321331111 its reverse (111133123331), we get a palindrome (244454454442).

The spelling of 133321331111 in words is "one hundred thirty-three billion, three hundred twenty-one million, three hundred thirty-one thousand, one hundred eleven".