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11221222103 = 713196490007
BaseRepresentation
bin10100111001101011…
…00100001011010111
31001222000201010220122
422130311210023113
5140440113101403
65053245422155
7545033546150
oct123465441327
931860633818
1011221222103
1148390a6283
122211b6a95b
13109aa023c0
14786418927
1545a1db838
hex29cd642d7

11221222103 has 16 divisors (see below), whose sum is σ = 14537617920. Its totient is φ = 8411047776.

The previous prime is 11221222073. The next prime is 11221222123. The reversal of 11221222103 is 30122212211.

It is a cyclic number.

It is not a de Polignac number, because 11221222103 - 214 = 11221205719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221222123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3243275 + ... + 3246732.

It is an arithmetic number, because the mean of its divisors is an integer number (908601120).

Almost surely, 211221222103 is an apocalyptic number.

11221222103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11221222103 is a deficient number, since it is larger than the sum of its proper divisors (3316395817).

11221222103 is a wasteful number, since it uses less digits than its factorization.

11221222103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6490046.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11221222103 its reverse (30122212211), we get a palindrome (41343434314).

The spelling of 11221222103 in words is "eleven billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred three".

Divisors: 1 7 13 19 91 133 247 1729 6490007 45430049 84370091 123310133 590590637 863170931 1603031729 11221222103