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200121227 is a prime number
BaseRepresentation
bin10111110110110…
…01101110001011
3111221120012201022
423323121232023
5402212334402
631505143055
74650000545
oct1373315613
9457505638
10200121227
11a2a66049
125702aa8b
13325ca537
141c814695
15128802a2
hexbed9b8b

200121227 has 2 divisors, whose sum is σ = 200121228. Its totient is φ = 200121226.

The previous prime is 200121221. The next prime is 200121241. The reversal of 200121227 is 722121002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200121227 - 24 = 200121211 is a prime.

It is not a weakly prime, because it can be changed into another prime (200121221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100060613 + 100060614.

It is an arithmetic number, because the mean of its divisors is an integer number (100060614).

Almost surely, 2200121227 is an apocalyptic number.

200121227 is a deficient number, since it is larger than the sum of its proper divisors (1).

200121227 is an equidigital number, since it uses as much as digits as its factorization.

200121227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 200121227 is about 14146.4209961389. The cubic root of 200121227 is about 584.9216804104.

Adding to 200121227 its reverse (722121002), we get a palindrome (922242229).

The spelling of 200121227 in words is "two hundred million, one hundred twenty-one thousand, two hundred twenty-seven".