110001020000020 has 12 divisors (see below), whose sum is σ = 231002142000084. Its totient is φ = 44000408000000.

The previous prime is 110001019999993. The next prime is 110001020000101. The reversal of 110001020000020 is 20000020100011.

It can be written as a sum of positive squares in 2 ways, for example, as 22458462209296 + 87542557790724 = 4739036^2 + 9356418^2 .

It is a junction number, because it is equal to n+sod(n) for n = 110001019999958 and 110001020000012.

It is a congruent number.

It is an unprimeable number.

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, 2750025499981 + ... + 2750025500020.

It is an arithmetic number, because the mean of its divisors is an integer number (19250178500007).

Almost surely, 2^{110001020000020} is an apocalyptic number.

110001020000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110001020000020 is an abundant number, since it is smaller than the sum of its proper divisors (121001122000064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

110001020000020 is a wasteful number, since it uses less digits than its factorization.

110001020000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5500051000010 (or 5500051000008 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 110001020000020 its reverse (20000020100011), we get a palindrome (130001040100031).

Subtracting from 110001020000020 its reverse (20000020100011), we obtain a palindrome (90000999900009).

The spelling of 110001020000020 in words is "one hundred ten trillion, one billion, twenty million, twenty", and thus it is an aban number.