120122202221221 has 4 divisors (see below), whose sum is σ = 120129339199744. Its totient is φ = 120115065242700.

The previous prime is 120122202221141. The next prime is 120122202221243. The reversal of 120122202221221 is 122122202221021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120122202221221 - 2¹³ = 120122202213029 is a prime.

It is a super-2 number, since 2×120122202221221² (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 = 120122202221192 and 120122202221201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120122202221261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3568464015 + ... + 3568497676.

It is an arithmetic number, because the mean of its divisors is an integer number (30032334799936).

Almost surely, 2^{120122202221221} is an apocalyptic number.

It is an amenable number.

120122202221221 is a deficient number, since it is larger than the sum of its proper divisors (7136978523).

120122202221221 is an equidigital number, since it uses as much as digits as its factorization.

120122202221221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7136978522.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 120122202221221 its reverse (122122202221021), we get a palindrome (242244404442242).

The spelling of 120122202221221 in words is "one hundred twenty trillion, one hundred twenty-two billion, two hundred two million, two hundred twenty-one thousand, two hundred twenty-one".