200111202021121 has 8 divisors (see below), whose sum is σ = 212060951704800. Its totient is φ = 188181285949248.

The previous prime is 200111202021077. The next prime is 200111202021149. The reversal of 200111202021121 is 121120202111002.

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 200111202021121 - 2¹¹ = 200111202019073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200111202021095 and 200111202021104.

It is not an unprimeable number, because it can be changed into a prime (200111202021421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4958382171 + ... + 4958422528.

It is an arithmetic number, because the mean of its divisors is an integer number (26507618963100).

Almost surely, 2^{200111202021121} is an apocalyptic number.

It is an amenable number.

200111202021121 is a deficient number, since it is larger than the sum of its proper divisors (11949749683679).

200111202021121 is a wasteful number, since it uses less digits than its factorization.

200111202021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9916805903.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 200111202021121 its reverse (121120202111002), we get a palindrome (321231404132123).

The spelling of 200111202021121 in words is "two hundred trillion, one hundred eleven billion, two hundred two million, twenty-one thousand, one hundred twenty-one".