120354453101421 has 24 divisors (see below), whose sum is σ = 216742218573504. Its totient is φ = 62521793818560.

The previous prime is 120354453101413. The next prime is 120354453101423. The reversal of 120354453101421 is 124101354453021.

120354453101421 is a `hidden beast` number, since 1 + 2 + 0 + 3 + 54 + 453 + 10 + 142 + 1 = 666.

It is not a de Polignac number, because 120354453101421 - 2³ = 120354453101413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120354453101423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86835824056 + ... + 86835825441.

It is an arithmetic number, because the mean of its divisors is an integer number (9030925773896).

Almost surely, 2^{120354453101421} is an apocalyptic number.

120354453101421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120354453101421 is a deficient number, since it is larger than the sum of its proper divisors (96387765472083).

120354453101421 is a wasteful number, since it uses less digits than its factorization.

120354453101421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173671649521 (or 173671649518 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 120354453101421 in words is "one hundred twenty trillion, three hundred fifty-four billion, four hundred fifty-three million, one hundred one thousand, four hundred twenty-one".