121120055814144 has 192 divisors, whose sum is σ = 330923641950720. Its totient is φ = 39371980144640.

The previous prime is 121120055814139. The next prime is 121120055814187. The reversal of 121120055814144 is 441418550021121.

It is a tau number, because it is divible by the number of its divisors (192).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 602705809 + ... + 602906735.

It is an arithmetic number, because the mean of its divisors is an integer number (1723560635160).

Almost surely, 2^{121120055814144} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121120055814144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165461820975360).

121120055814144 is an abundant number, since it is smaller than the sum of its proper divisors (209803586136576).

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

121120055814144 is a wasteful number, since it uses less digits than its factorization.

121120055814144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203386 (or 203366 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 39.

The spelling of 121120055814144 in words is "one hundred twenty-one trillion, one hundred twenty billion, fifty-five million, eight hundred fourteen thousand, one hundred forty-four".