120222032221 has 4 divisors (see below), whose sum is σ = 120601281852. Its totient is φ = 119842782592.

The previous prime is 120222032209. The next prime is 120222032261. The reversal of 120222032221 is 122230222021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 66622836996 + 53599195225 = 258114^2 + 231515^2 .

It is a cyclic number.

It is not a de Polignac number, because 120222032221 - 2²⁵ = 120188477789 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 (120222032261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189624340 + ... + 189624973.

It is an arithmetic number, because the mean of its divisors is an integer number (30150320463).

Almost surely, 2^120222032221 is an apocalyptic number.

It is an amenable number.

120222032221 is a deficient number, since it is larger than the sum of its proper divisors (379249631).

120222032221 is an equidigital number, since it uses as much as digits as its factorization.

120222032221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379249630.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 120222032221 its reverse (122230222021), we get a palindrome (242452254242).

The spelling of 120222032221 in words is "one hundred twenty billion, two hundred twenty-two million, thirty-two thousand, two hundred twenty-one".