3000021121 has 4 divisors (see below), whose sum is σ = 3002368000. Its totient is φ = 2997674244.

The previous prime is 3000021109. The next prime is 3000021151. The reversal of 3000021121 is 1211200003.

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 a cyclic number.

It is not a de Polignac number, because 3000021121 - 2⁷ = 3000020993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3000021098 and 3000021107.

It is not an unprimeable number, because it can be changed into a prime (3000021151) 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, 1171521 + ... + 1174078.

It is an arithmetic number, because the mean of its divisors is an integer number (750592000).

Almost surely, 2^3000021121 is an apocalyptic number.

It is an amenable number.

3000021121 is a deficient number, since it is larger than the sum of its proper divisors (2346879).

3000021121 is a wasteful number, since it uses less digits than its factorization.

3000021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2346878.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 3000021121 is about 54772.4485576462. The cubic root of 3000021121 is about 1442.2529549387.

Adding to 3000021121 its reverse (1211200003), we get a palindrome (4211221124).

The spelling of 3000021121 in words is "three billion, twenty-one thousand, one hundred twenty-one".