5305221121 has 4 divisors (see below), whose sum is σ = 5316026544. Its totient is φ = 5294415700.

The previous prime is 5305221109. The next prime is 5305221133. The reversal of 5305221121 is 1211225035.

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 an interprime number because it is at equal distance from previous prime (5305221109) and next prime (5305221133).

It is a cyclic number.

It is not a de Polignac number, because 5305221121 - 2²⁷ = 5171003393 is a prime.

It is a super-3 number, since 3×5305221121³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5305221092 and 5305221101.

It is not an unprimeable number, because it can be changed into a prime (5305221151) 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, 5401975 + ... + 5402956.

It is an arithmetic number, because the mean of its divisors is an integer number (1329006636).

Almost surely, 2^5305221121 is an apocalyptic number.

It is an amenable number.

5305221121 is a deficient number, since it is larger than the sum of its proper divisors (10805423).

5305221121 is a wasteful number, since it uses less digits than its factorization.

5305221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10805422.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 5305221121 is about 72836.9488721212. The cubic root of 5305221121 is about 1744.0857350301.

Adding to 5305221121 its reverse (1211225035), we get a palindrome (6516446156).

The spelling of 5305221121 in words is "five billion, three hundred five million, two hundred twenty-one thousand, one hundred twenty-one".