120020121221211 has 24 divisors (see below), whose sum is σ = 173922823816560. Its totient is φ = 79754795077056.

The previous prime is 120020121221149. The next prime is 120020121221249. The reversal of 120020121221211 is 112122121020021.

120020121221211 is a `hidden beast` number, since 1 + 20 + 0 + 201 + 212 + 21 + 211 = 666.

120020121221211 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 120020121221211 - 2⁷ = 120020121221083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120020121225211) 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, 35152300 + ... + 38415158.

It is an arithmetic number, because the mean of its divisors is an integer number (7246784325690).

Almost surely, 2^{120020121221211} is an apocalyptic number.

120020121221211 is a deficient number, since it is larger than the sum of its proper divisors (53902702595349).

120020121221211 is a wasteful number, since it uses less digits than its factorization.

120020121221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3276075 (or 3276072 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 120020121221211 its reverse (112122121020021), we get a palindrome (232142242241232).

The spelling of 120020121221211 in words is "one hundred twenty trillion, twenty billion, one hundred twenty-one million, two hundred twenty-one thousand, two hundred eleven".