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11101011212101 = 349175811809229
BaseRepresentation
bin1010000110001010011111…
…0101000111011101000101
31110022020122120001220210011
42201202213311013131011
52423334332332241401
635335422324230221
72224010256261136
oct241424765073505
943266576056704
1011101011212101
11359aa04476698
1212b354a23b371
13626a89598145
142a5412a21c8d
15143b6958c451
hexa18a7d47745

11101011212101 has 8 divisors (see below), whose sum is σ = 11133458651000. Its totient is φ = 11068567427520.

The previous prime is 11101011212003. The next prime is 11101011212113. The reversal of 11101011212101 is 10121211010111.

11101011212101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 931609109601 + 10169402102500 = 965199^2 + 3188950^2 .

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 11101011212101 - 219 = 11101010687813 is a prime.

It is a super-2 number, since 2×111010112121012 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101011212191) 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, 5231155 + ... + 7040383.

It is an arithmetic number, because the mean of its divisors is an integer number (1391682331375).

Almost surely, 211101011212101 is an apocalyptic number.

It is an amenable number.

11101011212101 is a deficient number, since it is larger than the sum of its proper divisors (32447438899).

11101011212101 is a wasteful number, since it uses less digits than its factorization.

11101011212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827159.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11101011212101 its reverse (10121211010111), we get a palindrome (21222222222212).

The spelling of 11101011212101 in words is "eleven trillion, one hundred one billion, eleven million, two hundred twelve thousand, one hundred one".

Divisors: 1 349 17581 1809229 6135769 631420921 31808055049 11101011212101