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221120010120271 is a prime number
BaseRepresentation
bin110010010001101110000011…
…101001111110110001001111
31001222220212101200201202121111
4302101232003221332301033
5212440312240042322041
62102141044051312451
764401251661311143
oct6221560351766117
91058825350652544
10221120010120271
1164501519142959
1220972657bab727
13964c6b1b5a022
143c863a0b07223
151a86c8b490981
hexc91b83a7ec4f

221120010120271 has 2 divisors, whose sum is σ = 221120010120272. Its totient is φ = 221120010120270.

The previous prime is 221120010120197. The next prime is 221120010120281. The reversal of 221120010120271 is 172021010021122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221120010120271 - 215 = 221120010087503 is a prime.

It is a super-2 number, since 2×2211200101202712 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221120010120281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110560005060135 + 110560005060136.

It is an arithmetic number, because the mean of its divisors is an integer number (110560005060136).

Almost surely, 2221120010120271 is an apocalyptic number.

221120010120271 is a deficient number, since it is larger than the sum of its proper divisors (1).

221120010120271 is an equidigital number, since it uses as much as digits as its factorization.

221120010120271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 221120010120271 its reverse (172021010021122), we get a palindrome (393141020141393).

The spelling of 221120010120271 in words is "two hundred twenty-one trillion, one hundred twenty billion, ten million, one hundred twenty thousand, two hundred seventy-one".