120921916319168 has 14 divisors (see below), whose sum is σ = 239954427695976. Its totient is φ = 60460958159552.

The previous prime is 120921916319117. The next prime is 120921916319177. The reversal of 120921916319168 is 861913619129021.

It is a super-3 number, since 3×120921916319168³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 944702471180 + ... + 944702471307.

It is an arithmetic number, because the mean of its divisors is an integer number (17139601978284).

Almost surely, 2^{120921916319168} is an apocalyptic number.

It is an amenable number.

120921916319168 is a deficient number, since it is larger than the sum of its proper divisors (119032511376808).

120921916319168 is an equidigital number, since it uses as much as digits as its factorization.

120921916319168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889404942499 (or 1889404942489 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 59.

The spelling of 120921916319168 in words is "one hundred twenty trillion, nine hundred twenty-one billion, nine hundred sixteen million, three hundred nineteen thousand, one hundred sixty-eight".