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11112220012201 = 7211311096101321
BaseRepresentation
bin1010000110110100001111…
…1011010010111010101001
31110100022120201101221220121
42201231003323102322221
52424030311310342301
635344514451523241
72224555112432500
oct241550373227251
943308521357817
1011112220012201
1135a4736558050
1212b5757bb9521
13627b5483b439
142a5b97525837
151440c36233a1
hexa1b43ed2ea9

11112220012201 has 48 divisors (see below), whose sum is σ = 14690030952960. Its totient is φ = 8302676256000.

The previous prime is 11112220012199. The next prime is 11112220012319. The reversal of 11112220012201 is 10221002221111.

It is not a de Polignac number, because 11112220012201 - 21 = 11112220012199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11112220012501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1229380 + ... + 4871941.

It is an arithmetic number, because the mean of its divisors is an integer number (306042311520).

Almost surely, 211112220012201 is an apocalyptic number.

11112220012201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11112220012201 is a deficient number, since it is larger than the sum of its proper divisors (3577810940759).

11112220012201 is a wasteful number, since it uses less digits than its factorization.

11112220012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6101486 (or 6101479 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11112220012201 its reverse (10221002221111), we get a palindrome (21333222233312).

The spelling of 11112220012201 in words is "eleven trillion, one hundred twelve billion, two hundred twenty million, twelve thousand, two hundred one".

Divisors: 1 7 11 31 49 77 109 217 341 539 763 1199 1519 2387 3379 5341 8393 16709 23653 37169 58751 165571 260183 1821281 6101321 42709247 67114531 189140951 298964729 469801717 665043989 1323986657 2080550461 3288612019 4655307923 7315483879 9267906599 14563853227 20616363659 32587155461 51208387153 101946972589 144314545613 226780000249 358458710071 1010201819291 1587460001743 11112220012201