110012002012021 has 4 divisors (see below), whose sum is σ = 110012322016332. Its totient is φ = 110011682007712.

The previous prime is 110012002012001. The next prime is 110012002012079. The reversal of 110012002012021 is 120210200210011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 69666816622225 + 40345185389796 = 8346665^2 + 6351786^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110012002012021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110012002011992 and 110012002012010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110012002012001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159485926 + ... + 160174231.

It is an arithmetic number, because the mean of its divisors is an integer number (27503080504083).

Almost surely, 2^{110012002012021} is an apocalyptic number.

It is an amenable number.

110012002012021 is a deficient number, since it is larger than the sum of its proper divisors (320004311).

110012002012021 is an equidigital number, since it uses as much as digits as its factorization.

110012002012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320004310.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 110012002012021 its reverse (120210200210011), we get a palindrome (230222202222032).

The spelling of 110012002012021 in words is "one hundred ten trillion, twelve billion, two million, twelve thousand, twenty-one".