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11212201112101 = 113206331790257
BaseRepresentation
bin1010001100101000101101…
…0000111011001000100101
31110200212122120111002002121
42203022023100323020211
52432200041441041401
635502451501505541
72235024536652613
oct243121320731045
943625576432077
1011212201112101
113633082254230
121310bbb5722b1
136343c9461292
142aa95dc666b3
151469c5d77ca1
hexa328b43b225

11212201112101 has 8 divisors (see below), whose sum is σ = 12231873990144. Its totient is φ = 10192591878720.

The previous prime is 11212201112081. The next prime is 11212201112117. The reversal of 11212201112101 is 10121110221211.

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 11212201112101 - 243 = 2416108089893 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 (11212201112201) 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, 15542436 + ... + 16247821.

It is an arithmetic number, because the mean of its divisors is an integer number (1528984248768).

Almost surely, 211212201112101 is an apocalyptic number.

11212201112101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11212201112101 is a deficient number, since it is larger than the sum of its proper divisors (1019672878043).

11212201112101 is a wasteful number, since it uses less digits than its factorization.

11212201112101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31822331.

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

Adding to 11212201112101 its reverse (10121110221211), we get a palindrome (21333311333312).

The spelling of 11212201112101 in words is "eleven trillion, two hundred twelve billion, two hundred one million, one hundred twelve thousand, one hundred one".

Divisors: 1 11 32063 352693 31790257 349692827 1019291010191 11212201112101