20133304111 has 2 divisors, whose sum is σ = 20133304112. Its totient is φ = 20133304110.

The previous prime is 20133304109. The next prime is 20133304123. The reversal of 20133304111 is 11140333102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20133304111 - 2¹ = 20133304109 is a prime.

Together with 20133304109, 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 (20133304511) 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, 10066652055 + 10066652056.

It is an arithmetic number, because the mean of its divisors is an integer number (10066652056).

Almost surely, 2^20133304111 is an apocalyptic number.

20133304111 is a deficient number, since it is larger than the sum of its proper divisors (1).

20133304111 is an equidigital number, since it uses as much as digits as its factorization.

20133304111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20133304111 its reverse (11140333102), we get a palindrome (31273637213).

The spelling of 20133304111 in words is "twenty billion, one hundred thirty-three million, three hundred four thousand, one hundred eleven".