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2122200121211 = 11172368780209
BaseRepresentation
bin11110111000011100111…
…110111111111101111011
321111212202202221012101022
4132320130332333331323
5234232231212334321
64302531505413055
7306216045253022
oct36703476777573
97455682835338
102122200121211
117490247085a5
122a336863a18b
131251794c32c1
1474a020a58b9
153a30b1c5dab
hex1ee1cfbff7b

2122200121211 has 8 divisors (see below), whose sum is σ = 2124216188640. Its totient is φ = 2120184263808.

The previous prime is 2122200121187. The next prime is 2122200121241. The reversal of 2122200121211 is 1121210022212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2122200121211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2122200121211.

It is not an unprimeable number, because it can be changed into a prime (2122200121241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26418275 + ... + 26498483.

It is an arithmetic number, because the mean of its divisors is an integer number (265527023580).

Almost surely, 22122200121211 is an apocalyptic number.

2122200121211 is a deficient number, since it is larger than the sum of its proper divisors (2016067429).

2122200121211 is a wasteful number, since it uses less digits than its factorization.

2122200121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105013.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2122200121211 its reverse (1121210022212), we get a palindrome (3243410143423).

The spelling of 2122200121211 in words is "two trillion, one hundred twenty-two billion, two hundred million, one hundred twenty-one thousand, two hundred eleven".

Divisors: 1 1117 23687 80209 26458379 89593453 1899910583 2122200121211