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12211022220103 = 71744431745729
BaseRepresentation
bin1011000110110001100110…
…1001000100101101000111
31121020100210010121120210001
42301230121221010231013
53100031133142020403
641545355520342131
72400134341206010
oct261543151045507
947210703546701
1012211022220103
113988735780113
1214526b2774947
136a7657416195
143030338b6007
15162983d72c1d
hexb1b19a44b47

12211022220103 has 4 divisors (see below), whose sum is σ = 13955453965840. Its totient is φ = 10466590474368.

The previous prime is 12211022220097. The next prime is 12211022220107. The reversal of 12211022220103 is 30102222011221.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12211022220103 - 217 = 12211022089031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211022220107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 872215872858 + ... + 872215872871.

It is an arithmetic number, because the mean of its divisors is an integer number (3488863491460).

Almost surely, 212211022220103 is an apocalyptic number.

12211022220103 is a deficient number, since it is larger than the sum of its proper divisors (1744431745737).

12211022220103 is an equidigital number, since it uses as much as digits as its factorization.

12211022220103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744431745736.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12211022220103 its reverse (30102222011221), we get a palindrome (42313244231324).

The spelling of 12211022220103 in words is "twelve trillion, two hundred eleven billion, twenty-two million, two hundred twenty thousand, one hundred three".

Divisors: 1 7 1744431745729 12211022220103