120002002120221 has 32 divisors (see below), whose sum is σ = 172625055375360. Its totient is φ = 73712727691200.

The previous prime is 120002002120201. The next prime is 120002002120243. The reversal of 120002002120221 is 122021200200021.

It is not a de Polignac number, because 120002002120221 - 2¹⁵ = 120002002087453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120002002120221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120002002120201) 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 31 ways as a sum of consecutive naturals, for example, 45810420 + ... + 48359058.

It is an arithmetic number, because the mean of its divisors is an integer number (5394532980480).

Almost surely, 2^{120002002120221} is an apocalyptic number.

It is an amenable number.

120002002120221 is a deficient number, since it is larger than the sum of its proper divisors (52623053255139).

120002002120221 is a wasteful number, since it uses less digits than its factorization.

120002002120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550857.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 120002002120221 its reverse (122021200200021), we get a palindrome (242023202320242).

The spelling of 120002002120221 in words is "one hundred twenty trillion, two billion, two million, one hundred twenty thousand, two hundred twenty-one".