20110103331103 has 4 divisors (see below), whose sum is σ = 20127394908648. Its totient is φ = 20092811753560.

The previous prime is 20110103331091. The next prime is 20110103331119. The reversal of 20110103331103 is 30113330101102.

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 20110103331103 - 2²¹ = 20110101233951 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 (20110103335103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8645787028 + ... + 8645789353.

It is an arithmetic number, because the mean of its divisors is an integer number (5031848727162).

Almost surely, 2^{20110103331103} is an apocalyptic number.

20110103331103 is a deficient number, since it is larger than the sum of its proper divisors (17291577545).

20110103331103 is a wasteful number, since it uses less digits than its factorization.

20110103331103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17291577544.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 20110103331103 its reverse (30113330101102), we get a palindrome (50223433432205).

The spelling of 20110103331103 in words is "twenty trillion, one hundred ten billion, one hundred three million, three hundred thirty-one thousand, one hundred three".