121103113123204 has 48 divisors (see below), whose sum is σ = 224090886458880. Its totient is φ = 57105907649280.

The previous prime is 121103113123177. The next prime is 121103113123219. The reversal of 121103113123204 is 402321311301121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 922125864 + ... + 922257184.

It is an arithmetic number, because the mean of its divisors is an integer number (4668560134560).

Almost surely, 2^{121103113123204} is an apocalyptic number.

It is an amenable number.

121103113123204 is a deficient number, since it is larger than the sum of its proper divisors (102987773335676).

121103113123204 is a wasteful number, since it uses less digits than its factorization.

121103113123204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185980 (or 185978 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 121103113123204 its reverse (402321311301121), we get a palindrome (523424424424325).

The spelling of 121103113123204 in words is "one hundred twenty-one trillion, one hundred three billion, one hundred thirteen million, one hundred twenty-three thousand, two hundred four".