121011661660124 has 48 divisors (see below), whose sum is σ = 213542139283200. Its totient is φ = 60001768882176.

The previous prime is 121011661660121. The next prime is 121011661660189. The reversal of 121011661660124 is 421066166110121.

121011661660124 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121011661660121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4215979157 + ... + 4216007859.

It is an arithmetic number, because the mean of its divisors is an integer number (4448794568400).

Almost surely, 2^{121011661660124} is an apocalyptic number.

It is an amenable number.

121011661660124 is a deficient number, since it is larger than the sum of its proper divisors (92530477623076).

121011661660124 is a wasteful number, since it uses less digits than its factorization.

121011661660124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47102 (or 47100 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The spelling of 121011661660124 in words is "one hundred twenty-one trillion, eleven billion, six hundred sixty-one million, six hundred sixty thousand, one hundred twenty-four".