2021321301 has 16 divisors (see below), whose sum is σ = 2869409088. Its totient is φ = 1261267200.

The previous prime is 2021321299. The next prime is 2021321333. The reversal of 2021321301 is 1031231202.

It is not a de Polignac number, because 2021321301 - 2¹ = 2021321299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021321371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100255 + ... + 118716.

It is an arithmetic number, because the mean of its divisors is an integer number (179338068).

Almost surely, 2^2021321301 is an apocalyptic number.

It is an amenable number.

2021321301 is a deficient number, since it is larger than the sum of its proper divisors (848087787).

2021321301 is a wasteful number, since it uses less digits than its factorization.

2021321301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219172.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2021321301 is about 44959.1069862381. The cubic root of 2021321301 is about 1264.3824261864.

Adding to 2021321301 its reverse (1031231202), we get a palindrome (3052552503).

Subtracting from 2021321301 its reverse (1031231202), we obtain a palindrome (990090099).

It can be divided in two parts, 20213 and 21301, that added together give a palindrome (41514).

The spelling of 2021321301 in words is "two billion, twenty-one million, three hundred twenty-one thousand, three hundred one".