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220200201111181 is a prime number
BaseRepresentation
bin110010000100010101011010…
…110001000100011010001101
31001212122221012121210202101211
4302010111122301010122031
5212330230002441024211
62100154324220134421
764244640154606414
oct6204253261043215
91055587177722354
10220200201111181
1164187420a13375
1220844335997411
1395b3a36447a85
143c53a6495447b
151a6cda4d72e21
hexc8455ac4468d

220200201111181 has 2 divisors, whose sum is σ = 220200201111182. Its totient is φ = 220200201111180.

The previous prime is 220200201111053. The next prime is 220200201111257. The reversal of 220200201111181 is 181111102002022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215488718457156 + 4711482654025 = 14679534^2 + 2170595^2 .

It is a cyclic number.

It is not a de Polignac number, because 220200201111181 - 27 = 220200201111053 is a prime.

It is a super-2 number, since 2×2202002011111812 (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 (220206201111181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110100100555590 + 110100100555591.

It is an arithmetic number, because the mean of its divisors is an integer number (110100100555591).

Almost surely, 2220200201111181 is an apocalyptic number.

It is an amenable number.

220200201111181 is a deficient number, since it is larger than the sum of its proper divisors (1).

220200201111181 is an equidigital number, since it uses as much as digits as its factorization.

220200201111181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 22.

The spelling of 220200201111181 in words is "two hundred twenty trillion, two hundred billion, two hundred one million, one hundred eleven thousand, one hundred eighty-one".