20011102232003 has 4 divisors (see below), whose sum is σ = 20011133293560. Its totient is φ = 20011071170448.

The previous prime is 20011102231997. The next prime is 20011102232041. The reversal of 20011102232003 is 30023220111002.

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 20011102232003 - 2⁴ = 20011102231987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20011102262003) 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 3 ways as a sum of consecutive naturals, for example, 14543498 + ... + 15859871.

It is an arithmetic number, because the mean of its divisors is an integer number (5002783323390).

Almost surely, 2^{20011102232003} is an apocalyptic number.

20011102232003 is a deficient number, since it is larger than the sum of its proper divisors (31061557).

20011102232003 is an equidigital number, since it uses as much as digits as its factorization.

20011102232003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31061556.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20011102232003 its reverse (30023220111002), we get a palindrome (50034322343005).

The spelling of 20011102232003 in words is "twenty trillion, eleven billion, one hundred two million, two hundred thirty-two thousand, three".