220002020000121 has 8 divisors (see below), whose sum is σ = 293342293245024. Its totient is φ = 146664880044320.

The previous prime is 220002020000107. The next prime is 220002020000137. The reversal of 220002020000121 is 121000020200022.

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

It is a cyclic number.

It is not a de Polignac number, because 220002020000121 - 2⁵ = 220002020000089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220002020000097 and 220002020000106.

It is not an unprimeable number, because it can be changed into a prime (220002020005121) 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, 783158436 + ... + 783439301.

It is an arithmetic number, because the mean of its divisors is an integer number (36667786655628).

Almost surely, 2^{220002020000121} is an apocalyptic number.

It is an amenable number.

220002020000121 is a deficient number, since it is larger than the sum of its proper divisors (73340273244903).

220002020000121 is a wasteful number, since it uses less digits than its factorization.

220002020000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566644551.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 220002020000121 its reverse (121000020200022), we get a palindrome (341002040200143).

It can be divided in two parts, 2200020200001 and 21, that added together give a palindrome (2200020200022).

The spelling of 220002020000121 in words is "two hundred twenty trillion, two billion, twenty million, one hundred twenty-one", and thus it is an aban number.