120120210330021 has 24 divisors (see below), whose sum is σ = 199242454139040. Its totient is φ = 68968541815200.

The previous prime is 120120210329993. The next prime is 120120210330041. The reversal of 120120210330021 is 120033012021021.

120120210330021 is a `hidden beast` number, since 1 + 2 + 0 + 120 + 210 + 330 + 0 + 2 + 1 = 666.

It is not a de Polignac number, because 120120210330021 - 2²⁷ = 120120076112293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120120210329976 and 120120210330003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120120210330041) 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, 31929878590 + ... + 31929882351.

It is an arithmetic number, because the mean of its divisors is an integer number (8301768922460).

Almost surely, 2^{120120210330021} is an apocalyptic number.

120120210330021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120120210330021 is a deficient number, since it is larger than the sum of its proper divisors (79122243809019).

120120210330021 is a wasteful number, since it uses less digits than its factorization.

120120210330021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63859760977 (or 63859760974 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 120120210330021 its reverse (120033012021021), we get a palindrome (240153222351042).

The spelling of 120120210330021 in words is "one hundred twenty trillion, one hundred twenty billion, two hundred ten million, three hundred thirty thousand, twenty-one".