2021230411 has 4 divisors (see below), whose sum is σ = 2086431424. Its totient is φ = 1956029400.

The previous prime is 2021230381. The next prime is 2021230417. The reversal of 2021230411 is 1140321202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2021230411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021230417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32600460 + ... + 32600521.

It is an arithmetic number, because the mean of its divisors is an integer number (521607856).

Almost surely, 2^2021230411 is an apocalyptic number.

2021230411 is a deficient number, since it is larger than the sum of its proper divisors (65201013).

2021230411 is an equidigital number, since it uses as much as digits as its factorization.

2021230411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65201012.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2021230411 is about 44958.0961674313. The cubic root of 2021230411 is about 1264.3634746486.

Adding to 2021230411 its reverse (1140321202), we get a palindrome (3161551613).

The spelling of 2021230411 in words is "two billion, twenty-one million, two hundred thirty thousand, four hundred eleven".