3001210221 has 4 divisors (see below), whose sum is σ = 4001613632. Its totient is φ = 2000806812.

The previous prime is 3001210211. The next prime is 3001210229. The reversal of 3001210221 is 1220121003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3001210221 - 2¹⁴ = 3001193837 is a prime.

It is a super-3 number, since 3×3001210221³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3001210197 and 3001210206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3001210229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500201701 + ... + 500201706.

It is an arithmetic number, because the mean of its divisors is an integer number (1000403408).

Almost surely, 2^3001210221 is an apocalyptic number.

It is an amenable number.

3001210221 is a deficient number, since it is larger than the sum of its proper divisors (1000403411).

3001210221 is a wasteful number, since it uses less digits than its factorization.

3001210221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000403410.

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

The square root of 3001210221 is about 54783.3023922436. The cubic root of 3001210221 is about 1442.4434820921.

Adding to 3001210221 its reverse (1220121003), we get a palindrome (4221331224).

The spelling of 3001210221 in words is "three billion, one million, two hundred ten thousand, two hundred twenty-one".