120220202121 has 8 divisors (see below), whose sum is σ = 168730108320. Its totient is φ = 75928548672.

The previous prime is 120220202111. The next prime is 120220202231. The reversal of 120220202121 is 121202022021.

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

It is not a de Polignac number, because 120220202121 - 2⁹ = 120220201609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120220202121.

It is not an unprimeable number, because it can be changed into a prime (120220202111) 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 7 ways as a sum of consecutive naturals, for example, 1054563120 + ... + 1054563233.

It is an arithmetic number, because the mean of its divisors is an integer number (21091263540).

Almost surely, 2^120220202121 is an apocalyptic number.

It is an amenable number.

120220202121 is a deficient number, since it is larger than the sum of its proper divisors (48509906199).

120220202121 is a wasteful number, since it uses less digits than its factorization.

120220202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2109126375.

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

Adding to 120220202121 its reverse (121202022021), we get a palindrome (241422224142).

The spelling of 120220202121 in words is "one hundred twenty billion, two hundred twenty million, two hundred two thousand, one hundred twenty-one".