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111111012022201 = 166396907689461
BaseRepresentation
bin11001010000111000001100…
…011001101111011110111001
3112120102002221110200020102221
4121100320030121233132321
5104030420323034202301
61032151405543124041
732255335313061232
oct3120701431573671
9476362843606387
10111111012022201
1132448a086a0484
1210566085143621
1349cc9536231a9
141d61b31b28089
15cca3bbd29da1
hex650e0c66f7b9

111111012022201 has 8 divisors (see below), whose sum is σ = 111179134137344. Its totient is φ = 111042891483120.

The previous prime is 111111012022183. The next prime is 111111012022207. The reversal of 111111012022201 is 102220210111111.

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

It is a cyclic number.

It is not a de Polignac number, because 111111012022201 - 235 = 111076652283833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111111012022207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160811611 + ... + 161501071.

It is an arithmetic number, because the mean of its divisors is an integer number (13897391767168).

Almost surely, 2111111012022201 is an apocalyptic number.

It is an amenable number.

111111012022201 is a deficient number, since it is larger than the sum of its proper divisors (68122115143).

111111012022201 is an equidigital number, since it uses as much as digits as its factorization.

111111012022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788031.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 111111012022201 its reverse (102220210111111), we get a palindrome (213331222133312).

The spelling of 111111012022201 in words is "one hundred eleven trillion, one hundred eleven billion, twelve million, twenty-two thousand, two hundred one".

Divisors: 1 1663 96907 689461 161156341 1146573643 66813597127 111111012022201