20111100023133 has 36 divisors (see below), whose sum is σ = 34364868295680. Its totient is φ = 11297276511696.

The previous prime is 20111100023083. The next prime is 20111100023143. The reversal of 20111100023133 is 33132000111102.

It is not a de Polignac number, because 20111100023133 - 2⁸ = 20111100022877 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20111100023143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 386443485 + ... + 386495522.

It is an arithmetic number, because the mean of its divisors is an integer number (954579674880).

Almost surely, 2^{20111100023133} is an apocalyptic number.

It is an amenable number.

20111100023133 is a deficient number, since it is larger than the sum of its proper divisors (14253768272547).

20111100023133 is a wasteful number, since it uses less digits than its factorization.

20111100023133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772939086 (or 772939076 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 20111100023133 its reverse (33132000111102), we get a palindrome (53243100134235).

The spelling of 20111100023133 in words is "twenty trillion, one hundred eleven billion, one hundred million, twenty-three thousand, one hundred thirty-three".