2021002211 has 8 divisors (see below), whose sum is σ = 2140282080. Its totient is φ = 1901766528.

The previous prime is 2021002187. The next prime is 2021002213. The reversal of 2021002211 is 1122001202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2021002211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2021002192 and 2021002201.

It is not an unprimeable number, because it can be changed into a prime (2021002213) 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 7 ways as a sum of consecutive naturals, for example, 152045 + ... + 164801.

It is an arithmetic number, because the mean of its divisors is an integer number (267535260).

Almost surely, 2^2021002211 is an apocalyptic number.

2021002211 is a deficient number, since it is larger than the sum of its proper divisors (119279869).

2021002211 is a wasteful number, since it uses less digits than its factorization.

2021002211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22093.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2021002211 is about 44955.5581769374. The cubic root of 2021002211 is about 1264.3158900020.

Adding to 2021002211 its reverse (1122001202), we get a palindrome (3143003413).

The spelling of 2021002211 in words is "two billion, twenty-one million, two thousand, two hundred eleven".