2301021021 has 12 divisors (see below), whose sum is σ = 3322184928. Its totient is φ = 1416012624.

The previous prime is 2301021013. The next prime is 2301021061. The reversal of 2301021021 is 1201201032.

2301021021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2301021021 - 2³ = 2301021013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2301020988 and 2301021006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2301021001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2268745 + ... + 2269758.

It is an arithmetic number, because the mean of its divisors is an integer number (276848744).

Almost surely, 2^2301021021 is an apocalyptic number.

It is an amenable number.

2301021021 is a deficient number, since it is larger than the sum of its proper divisors (1021163907).

2301021021 is a wasteful number, since it uses less digits than its factorization.

2301021021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4538532 (or 4538519 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2301021021 is about 47968.9589317925. The cubic root of 2301021021 is about 1320.2014195621.

Adding to 2301021021 its reverse (1201201032), we get a palindrome (3502222053).

The spelling of 2301021021 in words is "two billion, three hundred one million, twenty-one thousand, twenty-one".