120122002112221 has 8 divisors (see below), whose sum is σ = 120387066714584. Its totient is φ = 119857096284480.

The previous prime is 120122002112197. The next prime is 120122002112263. The reversal of 120122002112221 is 122211200221021.

It can be written as a sum of positive squares in 4 ways, for example, as 30106499589721 + 90015502522500 = 5486939^2 + 9487650^2 .

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 120122002112221 - 2⁷ = 120122002112093 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 (120122002115221) 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, 38178810 + ... + 41205163.

It is an arithmetic number, because the mean of its divisors is an integer number (15048383339323).

Almost surely, 2^{120122002112221} is an apocalyptic number.

It is an amenable number.

120122002112221 is a deficient number, since it is larger than the sum of its proper divisors (265064602363).

120122002112221 is an equidigital number, since it uses as much as digits as its factorization.

120122002112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79387311.

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

Adding to 120122002112221 its reverse (122211200221021), we get a palindrome (242333202333242).

The spelling of 120122002112221 in words is "one hundred twenty trillion, one hundred twenty-two billion, two million, one hundred twelve thousand, two hundred twenty-one".