121325102225 has 12 divisors (see below), whose sum is σ = 155296131840. Its totient is φ = 93929110800.

The previous prime is 121325102179. The next prime is 121325102231. The reversal of 121325102225 is 522201523121.

It is a happy number.

It is not a de Polignac number, because 121325102225 - 2¹⁴ = 121325085841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121325102194 and 121325102203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78273485 + ... + 78275034.

It is an arithmetic number, because the mean of its divisors is an integer number (12941344320).

Almost surely, 2^121325102225 is an apocalyptic number.

It is an amenable number.

121325102225 is a deficient number, since it is larger than the sum of its proper divisors (33971029615).

121325102225 is a wasteful number, since it uses less digits than its factorization.

121325102225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156548560 (or 156548555 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 121325102225 its reverse (522201523121), we get a palindrome (643526625346).

The spelling of 121325102225 in words is "one hundred twenty-one billion, three hundred twenty-five million, one hundred two thousand, two hundred twenty-five".