2021042211 has 8 divisors (see below), whose sum is σ = 2705459904. Its totient is φ = 1341993000.

The previous prime is 2021042197. The next prime is 2021042249. The reversal of 2021042211 is 1122401202.

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

It is not a de Polignac number, because 2021042211 - 2⁹ = 2021041699 is a prime.

It is a super-2 number, since 2×2021042211² = 8169223237287537042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2021042251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1341241 + ... + 1342746.

It is an arithmetic number, because the mean of its divisors is an integer number (338182488).

Almost surely, 2^2021042211 is an apocalyptic number.

2021042211 is a deficient number, since it is larger than the sum of its proper divisors (684417693).

2021042211 is a wasteful number, since it uses less digits than its factorization.

2021042211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2684241.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2021042211 is about 44956.0030585460. The cubic root of 2021042211 is about 1264.3242311280.

Adding to 2021042211 its reverse (1122401202), we get a palindrome (3143443413).

The spelling of 2021042211 in words is "two billion, twenty-one million, forty-two thousand, two hundred eleven".