20133103111 has 8 divisors (see below), whose sum is σ = 23255349264. Its totient is φ = 17226184320.

The previous prime is 20133103103. The next prime is 20133103139. The reversal of 20133103111 is 11130133102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20133103111 - 2³ = 20133103103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133109111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53831640 + ... + 53832013.

It is an arithmetic number, because the mean of its divisors is an integer number (2906918658).

Almost surely, 2^20133103111 is an apocalyptic number.

20133103111 is a deficient number, since it is larger than the sum of its proper divisors (3122246153).

20133103111 is a wasteful number, since it uses less digits than its factorization.

20133103111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107663681.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 20133103111 its reverse (11130133102), we get a palindrome (31263236213).

The spelling of 20133103111 in words is "twenty billion, one hundred thirty-three million, one hundred three thousand, one hundred eleven".