120120202030221 has 24 divisors (see below), whose sum is σ = 173593702298016. Its totient is φ = 80040102586080.

The previous prime is 120120202030219. The next prime is 120120202030223. The reversal of 120120202030221 is 122030202021021.

120120202030221 is a `hidden beast` number, since 1 + 20 + 120 + 202 + 0 + 302 + 21 = 666.

It is an interprime number because it is at equal distance from previous prime (120120202030219) and next prime (120120202030223).

It is not a de Polignac number, because 120120202030221 - 2¹ = 120120202030219 is a prime.

It is a super-2 number, since 2×120120202030221² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120120202030194 and 120120202030203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120120202030223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 449413006 + ... + 449680208.

It is an arithmetic number, because the mean of its divisors is an integer number (7233070929084).

Almost surely, 2^{120120202030221} is an apocalyptic number.

It is an amenable number.

120120202030221 is a deficient number, since it is larger than the sum of its proper divisors (53473500267795).

120120202030221 is a wasteful number, since it uses less digits than its factorization.

120120202030221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291993 (or 291990 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 120120202030221 its reverse (122030202021021), we get a palindrome (242150404051242).

The spelling of 120120202030221 in words is "one hundred twenty trillion, one hundred twenty billion, two hundred two million, thirty thousand, two hundred twenty-one".