200121220001111 has 8 divisors (see below), whose sum is σ = 200186028317184. Its totient is φ = 200056413003480.

The previous prime is 200121220001093. The next prime is 200121220001117. The reversal of 200121220001111 is 111100022121002.

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 200121220001111 - 2¹⁰ = 200121220000087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200121220001117) 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, 370418966 + ... + 370958828.

It is an arithmetic number, because the mean of its divisors is an integer number (25023253539648).

Almost surely, 2^{200121220001111} is an apocalyptic number.

200121220001111 is a deficient number, since it is larger than the sum of its proper divisors (64808316073).

200121220001111 is a wasteful number, since it uses less digits than its factorization.

200121220001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659221.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 200121220001111 its reverse (111100022121002), we get a palindrome (311221242122113).

The spelling of 200121220001111 in words is "two hundred trillion, one hundred twenty-one billion, two hundred twenty million, one thousand, one hundred eleven".