20110443101 has 8 divisors (see below), whose sum is σ = 23724762624. Its totient is φ = 16681473360.

The previous prime is 20110443077. The next prime is 20110443107. The reversal of 20110443101 is 10134401102.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20110443101 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 20110443101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110443107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46337210 + ... + 46337643.

It is an arithmetic number, because the mean of its divisors is an integer number (2965595328).

Almost surely, 2^20110443101 is an apocalyptic number.

It is an amenable number.

20110443101 is a deficient number, since it is larger than the sum of its proper divisors (3614319523).

20110443101 is an equidigital number, since it uses as much as digits as its factorization.

20110443101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92674891.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20110443101 its reverse (10134401102), we get a palindrome (30244844203).

The spelling of 20110443101 in words is "twenty billion, one hundred ten million, four hundred forty-three thousand, one hundred one".