120221002221 has 8 divisors (see below), whose sum is σ = 161133909504. Its totient is φ = 79727714880.

The previous prime is 120221002217. The next prime is 120221002289. The reversal of 120221002221 is 122200122021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120221002221 - 2² = 120221002217 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 120221002221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120221002621) 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, 104904316 + ... + 104905461.

It is an arithmetic number, because the mean of its divisors is an integer number (20141738688).

Almost surely, 2^120221002221 is an apocalyptic number.

It is an amenable number.

120221002221 is a deficient number, since it is larger than the sum of its proper divisors (40912907283).

120221002221 is a wasteful number, since it uses less digits than its factorization.

120221002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209809971.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 120221002221 its reverse (122200122021), we get a palindrome (242421124242).

The spelling of 120221002221 in words is "one hundred twenty billion, two hundred twenty-one million, two thousand, two hundred twenty-one".