1024221131225 has 12 divisors (see below), whose sum is σ = 1299569883216. Its totient is φ = 800321627280.

The previous prime is 1024221131221. The next prime is 1024221131237. The reversal of 1024221131225 is 5221311224201.

It is not a de Polignac number, because 1024221131225 - 2² = 1024221131221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1024221131194 and 1024221131203.

It is not an unprimeable number, because it can be changed into a prime (1024221131221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 476380847 + ... + 476382996.

It is an arithmetic number, because the mean of its divisors is an integer number (108297490268).

Almost surely, 2^{1024221131225} is an apocalyptic number.

It is an amenable number.

1024221131225 is a deficient number, since it is larger than the sum of its proper divisors (275348751991).

1024221131225 is an equidigital number, since it uses as much as digits as its factorization.

1024221131225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952763896 (or 952763891 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 1024221131225 its reverse (5221311224201), we get a palindrome (6245532355426).

The spelling of 1024221131225 in words is "one trillion, twenty-four billion, two hundred twenty-one million, one hundred thirty-one thousand, two hundred twenty-five".