2021325113 has 4 divisors (see below), whose sum is σ = 2021416320. Its totient is φ = 2021233908.

The previous prime is 2021325107. The next prime is 2021325121. The reversal of 2021325113 is 3115231202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2021325113 - 2⁸ = 2021324857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021325413) 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 3 ways as a sum of consecutive naturals, for example, 11348 + ... + 64586.

It is an arithmetic number, because the mean of its divisors is an integer number (505354080).

Almost surely, 2^2021325113 is an apocalyptic number.

It is an amenable number.

2021325113 is a deficient number, since it is larger than the sum of its proper divisors (91207).

2021325113 is an equidigital number, since it uses as much as digits as its factorization.

2021325113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91206.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2021325113 is about 44959.1493802986. The cubic root of 2021325113 is about 1264.3832210168.

Adding to 2021325113 its reverse (3115231202), we get a palindrome (5136556315).

The spelling of 2021325113 in words is "two billion, twenty-one million, three hundred twenty-five thousand, one hundred thirteen".