2236014520021 has 4 divisors (see below), whose sum is σ = 2236020944044. Its totient is φ = 2236008096000.

The previous prime is 2236014519967. The next prime is 2236014520027. The reversal of 2236014520021 is 1200254106322.

2236014520021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1789842622500 + 446171897521 = 1337850^2 + 667961^2 .

It is a cyclic number.

It is not a de Polignac number, because 2236014520021 - 2³⁵ = 2201654781653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2236014520027) 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, 2658060 + ... + 3396661.

It is an arithmetic number, because the mean of its divisors is an integer number (559005236011).

Almost surely, 2^{2236014520021} is an apocalyptic number.

It is an amenable number.

2236014520021 is a deficient number, since it is larger than the sum of its proper divisors (6424023).

2236014520021 is an equidigital number, since it uses as much as digits as its factorization.

2236014520021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6424022.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 2236014520021 its reverse (1200254106322), we get a palindrome (3436268626343).

The spelling of 2236014520021 in words is "two trillion, two hundred thirty-six billion, fourteen million, five hundred twenty thousand, twenty-one".