200021220011121 has 8 divisors (see below), whose sum is σ = 267563673240864. Its totient is φ = 132913123394400.

The previous prime is 200021220011069. The next prime is 200021220011183. The reversal of 200021220011121 is 121110022120002.

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

It is not a de Polignac number, because 200021220011121 - 2³⁵ = 199986860272753 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200021220011121.

It is not an unprimeable number, because it can be changed into a prime (200021220011191) 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, 108589152180 + ... + 108589154021.

It is an arithmetic number, because the mean of its divisors is an integer number (33445459155108).

Almost surely, 2^{200021220011121} is an apocalyptic number.

It is an amenable number.

200021220011121 is a deficient number, since it is larger than the sum of its proper divisors (67542453229743).

200021220011121 is a wasteful number, since it uses less digits than its factorization.

200021220011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217178306511.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 200021220011121 its reverse (121110022120002), we get a palindrome (321131242131123).

The spelling of 200021220011121 in words is "two hundred trillion, twenty-one billion, two hundred twenty million, eleven thousand, one hundred twenty-one".