200120121211 has 8 divisors (see below), whose sum is σ = 206953278464. Its totient is φ = 193310568360.

The previous prime is 200120121209. The next prime is 200120121217. The reversal of 200120121211 is 112121021002.

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 200120121211 - 2¹ = 200120121209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200120121191 and 200120121200.

It is not an unprimeable number, because it can be changed into a prime (200120121217) 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, 5883855 + ... + 5917768.

It is an arithmetic number, because the mean of its divisors is an integer number (25869159808).

Almost surely, 2^200120121211 is an apocalyptic number.

200120121211 is a deficient number, since it is larger than the sum of its proper divisors (6833157253).

200120121211 is a wasteful number, since it uses less digits than its factorization.

200120121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11802201.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 200120121211 its reverse (112121021002), we get a palindrome (312241142213).

The spelling of 200120121211 in words is "two hundred billion, one hundred twenty million, one hundred twenty-one thousand, two hundred eleven".