2301055021 has 4 divisors (see below), whose sum is σ = 2422163200. Its totient is φ = 2179946844.

The previous prime is 2301055019. The next prime is 2301055027. The reversal of 2301055021 is 1205501032.

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.

It is a cyclic number.

It is not a de Polignac number, because 2301055021 - 2¹ = 2301055019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 121108159 = 2301055021 / (2 + 3 + 0 + 1 + 0 + 5 + 5 + 0 + 2 + 1).

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 2301055021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2301055027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60554061 + ... + 60554098.

It is an arithmetic number, because the mean of its divisors is an integer number (605540800).

Almost surely, 2^2301055021 is an apocalyptic number.

It is an amenable number.

2301055021 is a deficient number, since it is larger than the sum of its proper divisors (121108179).

2301055021 is a wasteful number, since it uses less digits than its factorization.

2301055021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121108178.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 2301055021 is about 47969.3133263340. The cubic root of 2301055021 is about 1320.2079219839.

Adding to 2301055021 its reverse (1205501032), we get a palindrome (3506556053).

The spelling of 2301055021 in words is "two billion, three hundred one million, fifty-five thousand, twenty-one".