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110001122021 = 7311129448997
BaseRepresentation
bin110011001110010010…
…0111110101011100101
3101111221011111222111102
41212130210332223211
53300240241401041
6122311145445445
710642634052440
oct1463444765345
9344834458442
10110001122021
11427188470aa
121939b1a0885
13a4b080081b
1454773d6657
152cdc26a09b
hex199c93eae5

110001122021 has 16 divisors (see below), whose sum is σ = 129886141440. Its totient is φ = 91164147840.

The previous prime is 110001121999. The next prime is 110001122123. The reversal of 110001122021 is 120221100011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-110001122021 is a prime.

It is a super-3 number, since 3×1100011220213 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110001121993 and 110001122011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110001122221) 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, 20495 + ... + 469491.

It is an arithmetic number, because the mean of its divisors is an integer number (8117883840).

Almost surely, 2110001122021 is an apocalyptic number.

It is an amenable number.

110001122021 is a deficient number, since it is larger than the sum of its proper divisors (19885019419).

110001122021 is a wasteful number, since it uses less digits than its factorization.

110001122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450164.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 110001122021 its reverse (120221100011), we get a palindrome (230222222032).

The spelling of 110001122021 in words is "one hundred ten billion, one million, one hundred twenty-two thousand, twenty-one".

Divisors: 1 7 31 217 1129 7903 34999 244993 448997 3142979 13918907 97432349 506917613 3548423291 15714446003 110001122021