121043605153116 has 48 divisors (see below), whose sum is σ = 282550753102464. Its totient is φ = 40331346409536.

The previous prime is 121043605153111. The next prime is 121043605153153. The reversal of 121043605153116 is 611351506340121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121043605153111) by changing a digit.

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, 339714631 + ... + 340070753.

It is an arithmetic number, because the mean of its divisors is an integer number (5886474022968).

Almost surely, 2^{121043605153116} is an apocalyptic number.

It is an amenable number.

121043605153116 is an abundant number, since it is smaller than the sum of its proper divisors (161507147949348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121043605153116 is a wasteful number, since it uses less digits than its factorization.

121043605153116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367650 (or 367648 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 121043605153116 in words is "one hundred twenty-one trillion, forty-three billion, six hundred five million, one hundred fifty-three thousand, one hundred sixteen".