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122101122220211 = 237159741548323
BaseRepresentation
bin11011110000110011100010…
…000001000100000010110011
3121000022202100010220220212202
4123300303202001010002303
5112001001044242021321
61111404251534013415
734501341430320611
oct3360634201040263
9530282303826782
10122101122220211
11359a5882361812
121184002294726b
135319117b312b4
142221a23a246b1
15e1b1e514270b
hex6f0ce20440b3

122101122220211 has 8 divisors (see below), whose sum is σ = 127427663996160. Its totient is φ = 116776063555272.

The previous prime is 122101122220087. The next prime is 122101122220213. The reversal of 122101122220211 is 112022221101221.

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-122101122220211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122101122220213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370609505 + ... + 370938818.

It is an arithmetic number, because the mean of its divisors is an integer number (15928457999520).

Almost surely, 2122101122220211 is an apocalyptic number.

122101122220211 is a deficient number, since it is larger than the sum of its proper divisors (5326541775949).

122101122220211 is an equidigital number, since it uses as much as digits as its factorization.

122101122220211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741555505.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 122101122220211 its reverse (112022221101221), we get a palindrome (234123343321432).

The spelling of 122101122220211 in words is "one hundred twenty-two trillion, one hundred one billion, one hundred twenty-two million, two hundred twenty thousand, two hundred eleven".

Divisors: 1 23 7159 164657 741548323 17055611429 5308744444357 122101122220211