200121331211 has 8 divisors (see below), whose sum is σ = 207094060800. Its totient is φ = 193153401280.

The previous prime is 200121331181. The next prime is 200121331231. The reversal of 200121331211 is 112133121002.

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 200121331211 - 2¹⁰ = 200121330187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200121331211.

It is not an unprimeable number, because it can be changed into a prime (200121331231) 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, 1114970 + ... + 1281951.

It is an arithmetic number, because the mean of its divisors is an integer number (25886757600).

Almost surely, 2^200121331211 is an apocalyptic number.

200121331211 is a deficient number, since it is larger than the sum of its proper divisors (6972729589).

200121331211 is a wasteful number, since it uses less digits than its factorization.

200121331211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2399829.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 200121331211 its reverse (112133121002), we get a palindrome (312254452213).

The spelling of 200121331211 in words is "two hundred billion, one hundred twenty-one million, three hundred thirty-one thousand, two hundred eleven".