2220202020121 has 8 divisors (see below), whose sum is σ = 2296905105600. Its totient is φ = 2143508561040.

The previous prime is 2220202020097. The next prime is 2220202020131. The reversal of 2220202020121 is 1210202020222.

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 2220202020121 - 2⁵ = 2220202020089 is a prime.

It is a super-3 number, since 3×2220202020121³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220202020095 and 2220202020104.

It is not an unprimeable number, because it can be changed into a prime (2220202020131) 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, 1935795 + ... + 2861416.

It is an arithmetic number, because the mean of its divisors is an integer number (287113138200).

Almost surely, 2^{2220202020121} is an apocalyptic number.

It is an amenable number.

2220202020121 is a deficient number, since it is larger than the sum of its proper divisors (76703085479).

2220202020121 is a wasteful number, since it uses less digits than its factorization.

2220202020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4813199.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2220202020121 its reverse (1210202020222), we get a palindrome (3430404040343).

It can be divided in two parts, 22202020201 and 21, that added together give a palindrome (22202020222).

The spelling of 2220202020121 in words is "two trillion, two hundred twenty billion, two hundred two million, twenty thousand, one hundred twenty-one".