121503411216104 has 32 divisors (see below), whose sum is σ = 231580289166600. Its totient is φ = 59748896747520.

The previous prime is 121503411216053. The next prime is 121503411216107. The reversal of 121503411216104 is 401612114305121.

It can be written as a sum of positive squares in 4 ways, for example, as 81920564796004 + 39582846420100 = 9050998^2 + 6291490^2 .

It is not an unprimeable number, because it can be changed into a prime (121503411216107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10087217 + ... + 18567680.

Almost surely, 2^{121503411216104} is an apocalyptic number.

It is an amenable number.

121503411216104 is a deficient number, since it is larger than the sum of its proper divisors (110076877950496).

121503411216104 is a wasteful number, since it uses less digits than its factorization.

121503411216104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28663653 (or 28663649 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The spelling of 121503411216104 in words is "one hundred twenty-one trillion, five hundred three billion, four hundred eleven million, two hundred sixteen thousand, one hundred four".