5221240421225 has 12 divisors (see below), whose sum is σ = 6537195777216. Its totient is φ = 4136439011280.

The previous prime is 5221240421203. The next prime is 5221240421233.

5221240421225 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5221240421225 - 2¹⁴ = 5221240404841 is a prime.

It is a super-2 number, since 2×5221240421225² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5221240421191 and 5221240421200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1013830517 + ... + 1013835666.

It is an arithmetic number, because the mean of its divisors is an integer number (544766314768).

Almost surely, 2^{5221240421225} is an apocalyptic number.

It is an amenable number.

5221240421225 is a deficient number, since it is larger than the sum of its proper divisors (1315955355991).

5221240421225 is a wasteful number, since it uses less digits than its factorization.

5221240421225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027666296 (or 2027666291 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

It can be divided in two parts, 5221240 and 421225, that added together give a palindrome (5642465).

The spelling of 5221240421225 in words is "five trillion, two hundred twenty-one billion, two hundred forty million, four hundred twenty-one thousand, two hundred twenty-five".