3002011221 has 32 divisors (see below), whose sum is σ = 4563578880. Its totient is φ = 1737560000.

The previous prime is 3002011211. The next prime is 3002011231. The reversal of 3002011221 is 1221102003.

It is an interprime number because it is at equal distance from previous prime (3002011211) and next prime (3002011231).

It is not a de Polignac number, because 3002011221 - 2¹⁴ = 3001994837 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3002011197 and 3002011206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3002011211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 542971 + ... + 548471.

It is an arithmetic number, because the mean of its divisors is an integer number (142611840).

Almost surely, 2^3002011221 is an apocalyptic number.

It is an amenable number.

3002011221 is a deficient number, since it is larger than the sum of its proper divisors (1561567659).

3002011221 is a wasteful number, since it uses less digits than its factorization.

3002011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6257.

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

The square root of 3002011221 is about 54790.6125262348. The cubic root of 3002011221 is about 1442.5717963798.

Adding to 3002011221 its reverse (1221102003), we get a palindrome (4223113224).

The spelling of 3002011221 in words is "three billion, two million, eleven thousand, two hundred twenty-one".