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1101112212101 = 11509265973961
BaseRepresentation
bin10000000001011111011…
…001101111101010000101
310220021011101212222220112
4100001133121233222011
5121020034211241401
62201502144042405
7142360405242266
oct20013731575205
93807141788815
101101112212101
11394a85157450
121594a0303405
137cab0343645
143b4190a496d
151d99844a3bb
hex1005f66fa85

1101112212101 has 16 divisors (see below), whose sum is σ = 1204042190400. Its totient is φ = 998655254400.

The previous prime is 1101112212089. The next prime is 1101112212113. The reversal of 1101112212101 is 1012122111011.

It is an interprime number because it is at equal distance from previous prime (1101112212089) and next prime (1101112212113).

It is a cyclic number.

It is not a de Polignac number, because 1101112212101 - 26 = 1101112212037 is a prime.

It is a super-2 number, since 2×11011122121012 (a number of 25 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 (1101112212901) 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, 14850761 + ... + 14924721.

It is an arithmetic number, because the mean of its divisors is an integer number (75252636900).

Almost surely, 21101112212101 is an apocalyptic number.

1101112212101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1101112212101 is a deficient number, since it is larger than the sum of its proper divisors (102929978299).

1101112212101 is a wasteful number, since it uses less digits than its factorization.

1101112212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77140.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1101112212101 its reverse (1012122111011), we get a palindrome (2113234323112).

The spelling of 1101112212101 in words is "one trillion, one hundred one billion, one hundred twelve million, two hundred twelve thousand, one hundred one".

Divisors: 1 11 509 2659 5599 29249 73961 813571 1353431 14887741 37646149 196662299 414107639 2163285289 100101110191 1101112212101