20133005111 has 2 divisors, whose sum is σ = 20133005112. Its totient is φ = 20133005110.

The previous prime is 20133005099. The next prime is 20133005171. The reversal of 20133005111 is 11150033102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20133005111 - 2¹⁴ = 20132988727 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20133005111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20133005171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066502555 + 10066502556.

It is an arithmetic number, because the mean of its divisors is an integer number (10066502556).

Almost surely, 2^20133005111 is an apocalyptic number.

20133005111 is a deficient number, since it is larger than the sum of its proper divisors (1).

20133005111 is an equidigital number, since it uses as much as digits as its factorization.

20133005111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 17.

Adding to 20133005111 its reverse (11150033102), we get a palindrome (31283038213).

The spelling of 20133005111 in words is "twenty billion, one hundred thirty-three million, five thousand, one hundred eleven".