5330121221 has 4 divisors (see below), whose sum is σ = 5332307244. Its totient is φ = 5327935200.

The previous prime is 5330121211. The next prime is 5330121229. The reversal of 5330121221 is 1221210335.

5330121221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1221210335 = 5 ⋅244242067.

It can be written as a sum of positive squares in 2 ways, for example, as 1458170596 + 3871950625 = 38186^2 + 62225^2 .

It is a cyclic number.

It is not a de Polignac number, because 5330121221 - 2⁶ = 5330121157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5330121193 and 5330121202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5330121229) 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, 1089350 + ... + 1094231.

It is an arithmetic number, because the mean of its divisors is an integer number (1333076811).

Almost surely, 2^5330121221 is an apocalyptic number.

It is an amenable number.

5330121221 is a deficient number, since it is larger than the sum of its proper divisors (2186023).

5330121221 is a wasteful number, since it uses less digits than its factorization.

5330121221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2186022.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 5330121221 is about 73007.6791919864. The cubic root of 5330121221 is about 1746.8101042094.

Adding to 5330121221 its reverse (1221210335), we get a palindrome (6551331556).

The spelling of 5330121221 in words is "five billion, three hundred thirty million, one hundred twenty-one thousand, two hundred twenty-one".