120120112122021 has 12 divisors (see below), whose sum is σ = 189280176677280. Its totient is φ = 72800067952680.

The previous prime is 120120112122019. The next prime is 120120112122041. The reversal of 120120112122021 is 120221211021021.

120120112122021 is a `hidden beast` number, since 1 + 201 + 201 + 1 + 21 + 220 + 21 = 666.

It is not a de Polignac number, because 120120112122021 - 2¹ = 120120112122019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120120112121985 and 120120112122003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120120112122041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 606667232841 + ... + 606667233038.

It is an arithmetic number, because the mean of its divisors is an integer number (15773348056440).

Almost surely, 2^{120120112122021} is an apocalyptic number.

120120112122021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120120112122021 is a deficient number, since it is larger than the sum of its proper divisors (69160064555259).

120120112122021 is a wasteful number, since it uses less digits than its factorization.

120120112122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213334465896 (or 1213334465893 counting only the distinct ones).

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

Adding to 120120112122021 its reverse (120221211021021), we get a palindrome (240341323143042).

The spelling of 120120112122021 in words is "one hundred twenty trillion, one hundred twenty billion, one hundred twelve million, one hundred twenty-two thousand, twenty-one".