120120120122221 has 8 divisors (see below), whose sum is σ = 125991431343360. Its totient is φ = 114386957400528.

The previous prime is 120120120122207. The next prime is 120120120122281. The reversal of 120120120122221 is 122221021021021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120120120122221 - 2³³ = 120111530187629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120120120122281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34537123081 + ... + 34537126558.

It is an arithmetic number, because the mean of its divisors is an integer number (15748928917920).

Almost surely, 2^{120120120122221} is an apocalyptic number.

It is an amenable number.

120120120122221 is a deficient number, since it is larger than the sum of its proper divisors (5871311221139).

120120120122221 is an equidigital number, since it uses as much as digits as its factorization.

120120120122221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69074249723.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 120120120122221 its reverse (122221021021021), we get a palindrome (242341141143242).

The spelling of 120120120122221 in words is "one hundred twenty trillion, one hundred twenty billion, one hundred twenty million, one hundred twenty-two thousand, two hundred twenty-one".