200020222020121 has 8 divisors (see below), whose sum is σ = 200283639948000. Its totient is φ = 199756845433440.

The previous prime is 200020222020053. The next prime is 200020222020149. The reversal of 200020222020121 is 121020222020002.

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 200020222020121 - 2⁷ = 200020222019993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200020222020095 and 200020222020104.

It is not an unprimeable number, because it can be changed into a prime (200020222024121) 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, 646396 + ... + 20011453.

It is an arithmetic number, because the mean of its divisors is an integer number (25035454993500).

Almost surely, 2^{200020222020121} is an apocalyptic number.

It is an amenable number.

200020222020121 is a deficient number, since it is larger than the sum of its proper divisors (263417927879).

200020222020121 is a wasteful number, since it uses less digits than its factorization.

200020222020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20670599.

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

Adding to 200020222020121 its reverse (121020222020002), we get a palindrome (321040444040123).

The spelling of 200020222020121 in words is "two hundred trillion, twenty billion, two hundred twenty-two million, twenty thousand, one hundred twenty-one".