220120201121 has 8 divisors (see below), whose sum is σ = 229700799744. Its totient is φ = 210540448800.

The previous prime is 220120201099. The next prime is 220120201123. The reversal of 220120201121 is 121102021022.

220120201121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220120201121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220120201096 and 220120201105.

It is not an unprimeable number, because it can be changed into a prime (220120201123) 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 7 ways as a sum of consecutive naturals, for example, 351896 + ... + 751046.

It is an arithmetic number, because the mean of its divisors is an integer number (28712599968).

Almost surely, 2^220120201121 is an apocalyptic number.

It is an amenable number.

220120201121 is a deficient number, since it is larger than the sum of its proper divisors (9580598623).

220120201121 is a wasteful number, since it uses less digits than its factorization.

220120201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423151.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 220120201121 its reverse (121102021022), we get a palindrome (341222222143).

The spelling of 220120201121 in words is "two hundred twenty billion, one hundred twenty million, two hundred one thousand, one hundred twenty-one".