2021452211 has 4 divisors (see below), whose sum is σ = 2022038400. Its totient is φ = 2020866024.

The previous prime is 2021452193. The next prime is 2021452229. The reversal of 2021452211 is 1122541202.

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

It is an interprime number because it is at equal distance from previous prime (2021452193) and next prime (2021452229).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2021452211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021452241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287891 + ... + 294828.

It is an arithmetic number, because the mean of its divisors is an integer number (505509600).

Almost surely, 2^2021452211 is an apocalyptic number.

2021452211 is a deficient number, since it is larger than the sum of its proper divisors (586189).

2021452211 is an equidigital number, since it uses as much as digits as its factorization.

2021452211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586188.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2021452211 is about 44960.5628412279. The cubic root of 2021452211 is about 1264.4097213242.

Adding to 2021452211 its reverse (1122541202), we get a palindrome (3143993413).

The spelling of 2021452211 in words is "two billion, twenty-one million, four hundred fifty-two thousand, two hundred eleven".