120122120330221 has 4 divisors (see below), whose sum is σ = 120123399176092. Its totient is φ = 120120841484352.

The previous prime is 120122120330167. The next prime is 120122120330231. The reversal of 120122120330221 is 122033021221021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 80423929907721 + 39698190422500 = 8967939^2 + 6300650^2 .

It is a cyclic number.

It is not a de Polignac number, because 120122120330221 - 2²⁷ = 120121986112493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120122120330192 and 120122120330201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120122120330231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 639282030 + ... + 639469903.

It is an arithmetic number, because the mean of its divisors is an integer number (30030849794023).

Almost surely, 2^{120122120330221} is an apocalyptic number.

It is an amenable number.

120122120330221 is a deficient number, since it is larger than the sum of its proper divisors (1278845871).

120122120330221 is an equidigital number, since it uses as much as digits as its factorization.

120122120330221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278845870.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 120122120330221 its reverse (122033021221021), we get a palindrome (242155141551242).

The spelling of 120122120330221 in words is "one hundred twenty trillion, one hundred twenty-two billion, one hundred twenty million, three hundred thirty thousand, two hundred twenty-one".