7330002121 has 4 divisors (see below), whose sum is σ = 7893848452. Its totient is φ = 6766155792.

The previous prime is 7330002103. The next prime is 7330002133. The reversal of 7330002121 is 1212000337.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 791015625 + 6538986496 = 28125^2 + 80864^2 .

It is a cyclic number.

It is not a de Polignac number, because 7330002121 - 2⁷ = 7330001993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7330002521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281923146 + ... + 281923171.

It is an arithmetic number, because the mean of its divisors is an integer number (1973462113).

Almost surely, 2^7330002121 is an apocalyptic number.

It is an amenable number.

7330002121 is a deficient number, since it is larger than the sum of its proper divisors (563846331).

7330002121 is a wasteful number, since it uses less digits than its factorization.

7330002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563846330.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 7330002121 is about 85615.4315588025. The cubic root of 7330002121 is about 1942.5313363250.

Adding to 7330002121 its reverse (1212000337), we get a palindrome (8542002458).

The spelling of 7330002121 in words is "seven billion, three hundred thirty million, two thousand, one hundred twenty-one".