121501044350125 has 16 divisors (see below), whose sum is σ = 165418149109824. Its totient is φ = 88364395890000.

The previous prime is 121501044350087. The next prime is 121501044350137. The reversal of 121501044350125 is 521053440105121.

It is a de Polignac number, because none of the positive numbers 2^k-121501044350125 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44182196571 + ... + 44182199320.

It is an arithmetic number, because the mean of its divisors is an integer number (10338634319364).

Almost surely, 2^{121501044350125} is an apocalyptic number.

It is an amenable number.

121501044350125 is a deficient number, since it is larger than the sum of its proper divisors (43917104759699).

121501044350125 is an equidigital number, since it uses as much as digits as its factorization.

121501044350125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88364395917 (or 88364395907 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

Adding to 121501044350125 its reverse (521053440105121), we get a palindrome (642554484455246).

The spelling of 121501044350125 in words is "one hundred twenty-one trillion, five hundred one billion, forty-four million, three hundred fifty thousand, one hundred twenty-five".