2021130322 has 4 divisors (see below), whose sum is σ = 3031695486. Its totient is φ = 1010565160.

The previous prime is 2021130299. The next prime is 2021130337. The reversal of 2021130322 is 2230311202.

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

It can be written as a sum of positive squares in only one way, i.e., 1253230801 + 767899521 = 35401^2 + 27711^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2021130296 and 2021130305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505282579 + ... + 505282582.

Almost surely, 2^2021130322 is an apocalyptic number.

2021130322 is a deficient number, since it is larger than the sum of its proper divisors (1010565164).

2021130322 is a wasteful number, since it uses less digits than its factorization.

2021130322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010565163.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2021130322 is about 44956.9830171020. The cubic root of 2021130322 is about 1264.3426043635.

Adding to 2021130322 its reverse (2230311202), we get a palindrome (4251441524).

The spelling of 2021130322 in words is "two billion, twenty-one million, one hundred thirty thousand, three hundred twenty-two".