120221022122221 has 4 divisors (see below), whose sum is σ = 126548444339200. Its totient is φ = 113893599905244.

The previous prime is 120221022122219. The next prime is 120221022122263. The reversal of 120221022122221 is 122221220122021.

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 120221022122221 - 2¹ = 120221022122219 is a prime.

It is a super-2 number, since 2×120221022122221² (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 = 120221022122192 and 120221022122201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120221022122281) 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, 3163711108461 + ... + 3163711108498.

It is an arithmetic number, because the mean of its divisors is an integer number (31637111084800).

Almost surely, 2^{120221022122221} is an apocalyptic number.

It is an amenable number.

120221022122221 is a deficient number, since it is larger than the sum of its proper divisors (6327422216979).

120221022122221 is an equidigital number, since it uses as much as digits as its factorization.

120221022122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6327422216978.

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

Adding to 120221022122221 its reverse (122221220122021), we get a palindrome (242442242244242).

The spelling of 120221022122221 in words is "one hundred twenty trillion, two hundred twenty-one billion, twenty-two million, one hundred twenty-two thousand, two hundred twenty-one".