120021201010221 has 64 divisors (see below), whose sum is σ = 192514104262656. Its totient is φ = 65063723961600.

The previous prime is 120021201010187. The next prime is 120021201010297. The reversal of 120021201010221 is 122010102120021.

120021201010221 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 120021201010221 - 2⁹ = 120021201009709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120021201010221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120021201010021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39275320 + ... + 42220766.

It is an arithmetic number, because the mean of its divisors is an integer number (3008032879104).

Almost surely, 2^{120021201010221} is an apocalyptic number.

It is an amenable number.

120021201010221 is a deficient number, since it is larger than the sum of its proper divisors (72492903252435).

120021201010221 is a wasteful number, since it uses less digits than its factorization.

120021201010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2946722.

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

Adding to 120021201010221 its reverse (122010102120021), we get a palindrome (242031303130242).

The spelling of 120021201010221 in words is "one hundred twenty trillion, twenty-one billion, two hundred one million, ten thousand, two hundred twenty-one".