30221113310125 has 16 divisors (see below), whose sum is σ = 37720960009200. Its totient is φ = 24173678726400.

The previous prime is 30221113310093. The next prime is 30221113310131. The reversal of 30221113310125 is 52101331112203.

It can be written as a sum of positive squares in 8 ways, for example, as 5785511385481 + 24435601924644 = 2405309^2 + 4943238^2 .

It is not a de Polignac number, because 30221113310125 - 2⁵ = 30221113310093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 30221113310125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15114720 + ... + 16996969.

It is an arithmetic number, because the mean of its divisors is an integer number (2357560000575).

Almost surely, 2^{30221113310125} is an apocalyptic number.

It is an amenable number.

30221113310125 is a deficient number, since it is larger than the sum of its proper divisors (7499846699075).

30221113310125 is an equidigital number, since it uses as much as digits as its factorization.

30221113310125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32119233 (or 32119223 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 30221113310125 its reverse (52101331112203), we get a palindrome (82322444422328).

The spelling of 30221113310125 in words is "thirty trillion, two hundred twenty-one billion, one hundred thirteen million, three hundred ten thousand, one hundred twenty-five".