120210002120121 has 16 divisors (see below), whose sum is σ = 162916087167360. Its totient is φ = 78822097038720.

The previous prime is 120210002120111. The next prime is 120210002120123. The reversal of 120210002120121 is 121021200012021.

It is not a de Polignac number, because 120210002120121 - 2¹³ = 120210002111929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120210002120121.

It is not an unprimeable number, because it can be changed into a prime (120210002120123) 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, 13723420 + ... + 20706333.

It is an arithmetic number, because the mean of its divisors is an integer number (10182255447960).

Almost surely, 2^{120210002120121} is an apocalyptic number.

It is an amenable number.

120210002120121 is a deficient number, since it is larger than the sum of its proper divisors (42706085047239).

120210002120121 is a wasteful number, since it uses less digits than its factorization.

120210002120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34448896.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 120210002120121 its reverse (121021200012021), we get a palindrome (241231202132142).

The spelling of 120210002120121 in words is "one hundred twenty trillion, two hundred ten billion, two million, one hundred twenty thousand, one hundred twenty-one".