200120211 has 6 divisors (see below), whose sum is σ = 289062540. Its totient is φ = 133413468.

The previous prime is 200120203. The next prime is 200120251. The reversal of 200120211 is 112021002.

It is not a de Polignac number, because 200120211 - 2³ = 200120203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 22235579 = 200120211 / (2 + 0 + 0 + 1 + 2 + 0 + 2 + 1 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 200120193 and 200120202.

It is not an unprimeable number, because it can be changed into a prime (200120201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11117781 + ... + 11117798.

It is an arithmetic number, because the mean of its divisors is an integer number (48177090).

Almost surely, 2^200120211 is an apocalyptic number.

200120211 is a deficient number, since it is larger than the sum of its proper divisors (88942329).

200120211 is a wasteful number, since it uses less digits than its factorization.

200120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22235585 (or 22235582 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 200120211 is about 14146.3850859504. The cubic root of 200120211 is about 584.9206905414.

Adding to 200120211 its reverse (112021002), we get a palindrome (312141213).

The spelling of 200120211 in words is "two hundred million, one hundred twenty thousand, two hundred eleven".