3021210021 has 16 divisors (see below), whose sum is σ = 4060417536. Its totient is φ = 1998134976.

The previous prime is 3021210019. The next prime is 3021210037. The reversal of 3021210021 is 1200121203.

It is not a de Polignac number, because 3021210021 - 2¹ = 3021210019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3021209979 and 3021210006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3021211021) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 188311 + ... + 203723.

It is an arithmetic number, because the mean of its divisors is an integer number (253776096).

Almost surely, 2^3021210021 is an apocalyptic number.

It is an amenable number.

3021210021 is a deficient number, since it is larger than the sum of its proper divisors (1039207515).

3021210021 is a wasteful number, since it uses less digits than its factorization.

3021210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15932.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 3021210021 is about 54965.5348468474. The cubic root of 3021210021 is about 1445.6404963807.

Adding to 3021210021 its reverse (1200121203), we get a palindrome (4221331224).

The spelling of 3021210021 in words is "three billion, twenty-one million, two hundred ten thousand, twenty-one".