2021002106 has 8 divisors (see below), whose sum is σ = 3031701204. Its totient is φ = 1010435040.

The previous prime is 2021002097. The next prime is 2021002169. The reversal of 2021002106 is 6012001202.

It can be written as a sum of positive squares in 2 ways, for example, as 1992283225 + 28718881 = 44635^2 + 5359^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 27296 + ... + 69188.

Almost surely, 2^2021002106 is an apocalyptic number.

2021002106 is a deficient number, since it is larger than the sum of its proper divisors (1010699098).

2021002106 is a wasteful number, since it uses less digits than its factorization.

2021002106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66016.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2021002106 is about 44955.5570091173. The cubic root of 2021002106 is about 1264.3158681064.

Adding to 2021002106 its reverse (6012001202), we get a palindrome (8033003308).

The spelling of 2021002106 in words is "two billion, twenty-one million, two thousand, one hundred six".