5321121321 has 8 divisors (see below), whose sum is σ = 7095675424. Its totient is φ = 3546990720.

The previous prime is 5321121319. The next prime is 5321121331. The reversal of 5321121321 is 1231211235.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5321121321 - 2¹ = 5321121319 is a prime.

It is a super-2 number, since 2×5321121321² = 56628664225601570082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5321121331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75295 + ... + 127716.

It is an arithmetic number, because the mean of its divisors is an integer number (886959428).

Almost surely, 2^5321121321 is an apocalyptic number.

It is an amenable number.

5321121321 is a deficient number, since it is larger than the sum of its proper divisors (1774554103).

5321121321 is a wasteful number, since it uses less digits than its factorization.

5321121321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211751.

The product of its digits is 360, while the sum is 21.

The square root of 5321121321 is about 72946.0164847951. The cubic root of 5321121321 is about 1745.8263884380.

Adding to 5321121321 its reverse (1231211235), we get a palindrome (6552332556).

The spelling of 5321121321 in words is "five billion, three hundred twenty-one million, one hundred twenty-one thousand, three hundred twenty-one".