20110421110323 has 8 divisors (see below), whose sum is σ = 26817902297536. Its totient is φ = 13404943665000.

The previous prime is 20110421110277. The next prime is 20110421110331. The reversal of 20110421110323 is 32301112401102.

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

It is not a de Polignac number, because 20110421110323 - 2¹² = 20110421106227 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 20110421110323.

It is not an unprimeable number, because it can be changed into a prime (20110421110333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500912053 + ... + 500952198.

It is an arithmetic number, because the mean of its divisors is an integer number (3352237787192).

Almost surely, 2^{20110421110323} is an apocalyptic number.

20110421110323 is a deficient number, since it is larger than the sum of its proper divisors (6707481187213).

20110421110323 is a wasteful number, since it uses less digits than its factorization.

20110421110323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001870945.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 20110421110323 its reverse (32301112401102), we get a palindrome (52411533511425).

The spelling of 20110421110323 in words is "twenty trillion, one hundred ten billion, four hundred twenty-one million, one hundred ten thousand, three hundred twenty-three".