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11221012101112 = 2311156198163871
BaseRepresentation
bin1010001101001001100001…
…1100001011011111111000
31110201201101121220200202221
42203102120130023133320
52432321113044213422
635510510051533424
72235456066065332
oct243223034133770
943651347820687
1011221012101112
113636893888730
12131285a2ba274
136351a1a04048
142ab15811a452
15146d3e66b3c7
hexa349870b7f8

11221012101112 has 32 divisors (see below), whose sum is σ = 22953542515200. Its totient is φ = 5100132866400.

The previous prime is 11221012101097. The next prime is 11221012101113. The reversal of 11221012101112 is 21110121012211.

11221012101112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×112210121011122 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221012101113) 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, 2707464 + ... + 5456407.

It is an arithmetic number, because the mean of its divisors is an integer number (717298203600).

Almost surely, 211221012101112 is an apocalyptic number.

It is an amenable number.

11221012101112 is an abundant number, since it is smaller than the sum of its proper divisors (11732530414088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11221012101112 is a wasteful number, since it uses less digits than its factorization.

11221012101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8179507 (or 8179503 counting only the distinct ones).

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

Adding to 11221012101112 its reverse (21110121012211), we get a palindrome (32331133113323).

The spelling of 11221012101112 in words is "eleven trillion, two hundred twenty-one billion, twelve million, one hundred one thousand, one hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 15619 31238 62476 124952 171809 343618 687236 1374472 8163871 16327742 32655484 65310968 89802581 179605162 359210324 718420648 127511501149 255023002298 510046004596 1020092009192 1402626512639 2805253025278 5610506050556 11221012101112