120102222220121 has 8 divisors (see below), whose sum is σ = 120259071748200. Its totient is φ = 119945374433280.

The previous prime is 120102222220109. The next prime is 120102222220159. The reversal of 120102222220121 is 121022222201021.

It can be written as a sum of positive squares in 4 ways, for example, as 18566067674896 + 101536154545225 = 4308836^2 + 10076515^2 .

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 120102222220121 - 2³⁴ = 120085042350937 is a prime.

It is a super-2 number, since 2×120102222220121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120102222220093 and 120102222220102.

It is not an unprimeable number, because it can be changed into a prime (120102212220121) 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, 194495585 + ... + 195112113.

It is an arithmetic number, because the mean of its divisors is an integer number (15032383968525).

Almost surely, 2^{120102222220121} is an apocalyptic number.

It is an amenable number.

120102222220121 is a deficient number, since it is larger than the sum of its proper divisors (156849528079).

120102222220121 is an equidigital number, since it uses as much as digits as its factorization.

120102222220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870619.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 120102222220121 its reverse (121022222201021), we get a palindrome (241124444421142).

The spelling of 120102222220121 in words is "one hundred twenty trillion, one hundred two billion, two hundred twenty-two million, two hundred twenty thousand, one hundred twenty-one".