5213520310121 has 8 divisors (see below), whose sum is σ = 5361456808800. Its totient is φ = 5067569536480.

The previous prime is 5213520310079. The next prime is 5213520310123. The reversal of 5213520310121 is 1210130253125.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5213520310121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5213520310123) 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, 496425935 + ... + 496436436.

It is an arithmetic number, because the mean of its divisors is an integer number (670182101100).

Almost surely, 2^{5213520310121} is an apocalyptic number.

It is an amenable number.

5213520310121 is a deficient number, since it is larger than the sum of its proper divisors (147936498679).

5213520310121 is an equidigital number, since it uses as much as digits as its factorization.

5213520310121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992862519.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 5213520310121 its reverse (1210130253125), we get a palindrome (6423650563246).

The spelling of 5213520310121 in words is "five trillion, two hundred thirteen billion, five hundred twenty million, three hundred ten thousand, one hundred twenty-one".