20133101011 has 4 divisors (see below), whose sum is σ = 20143660392. Its totient is φ = 20122541632.

The previous prime is 20133100987. The next prime is 20133101033. The reversal of 20133101011 is 11010133102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20133101011 - 2⁹ = 20133100499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20133100982 and 20133101000.

It is not an unprimeable number, because it can be changed into a prime (20133101711) 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 in 3 ways as a sum of consecutive naturals, for example, 5276830 + ... + 5280643.

It is an arithmetic number, because the mean of its divisors is an integer number (5035915098).

Almost surely, 2^20133101011 is an apocalyptic number.

20133101011 is a deficient number, since it is larger than the sum of its proper divisors (10559381).

20133101011 is a wasteful number, since it uses less digits than its factorization.

20133101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10559380.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 20133101011 its reverse (11010133102), we get a palindrome (31143234113).

The spelling of 20133101011 in words is "twenty billion, one hundred thirty-three million, one hundred one thousand, eleven".