20112021110003 has 8 divisors (see below), whose sum is σ = 20169530550000. Its totient is φ = 20054514692608.

The previous prime is 20112021109993. The next prime is 20112021110021. The reversal of 20112021110003 is 30001112021102.

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

It is a cyclic number.

It is not a de Polignac number, because 20112021110003 - 2²² = 20112016915699 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20112021110003.

It is not an unprimeable number, because it can be changed into a prime (20112021110303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12924623 + ... + 14396871.

It is an arithmetic number, because the mean of its divisors is an integer number (2521191318750).

Almost surely, 2^{20112021110003} is an apocalyptic number.

20112021110003 is a deficient number, since it is larger than the sum of its proper divisors (57509439997).

20112021110003 is a wasteful number, since it uses less digits than its factorization.

20112021110003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511301.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 20112021110003 its reverse (30001112021102), we get a palindrome (50113133131105).

The spelling of 20112021110003 in words is "twenty trillion, one hundred twelve billion, twenty-one million, one hundred ten thousand, three".