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101112110121 = 31137787710513
BaseRepresentation
bin101111000101011000…
…0000101110000101001
3100122222200021101112110
41132022300011300221
53124034200010441
6114241131232533
710206436520031
oct1361260056051
9318880241473
10101112110121
1139977171980
121771a2a8749
1396c5040579
144c72a328c1
15296bbb3b16
hex178ac05c29

101112110121 has 32 divisors (see below), whose sum is σ = 151080628608. Its totient is φ = 59610608640.

The previous prime is 101112110119. The next prime is 101112110131. The reversal of 101112110121 is 121011211101.

It is not a de Polignac number, because 101112110121 - 21 = 101112110119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101112110097 and 101112110106.

It is not an unprimeable number, because it can be changed into a prime (101112110131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9612561 + ... + 9623073.

It is an arithmetic number, because the mean of its divisors is an integer number (4721269644).

Almost surely, 2101112110121 is an apocalyptic number.

101112110121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101112110121 is a deficient number, since it is larger than the sum of its proper divisors (49968518487).

101112110121 is a wasteful number, since it uses less digits than its factorization.

101112110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18441.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 101112110121 its reverse (121011211101), we get a palindrome (222123321222).

The spelling of 101112110121 in words is "one hundred one billion, one hundred twelve million, one hundred ten thousand, one hundred twenty-one".

Divisors: 1 3 11 33 37 111 407 1221 7877 10513 23631 31539 86647 115643 259941 291449 346929 388981 874347 1166943 3205939 4278791 9617817 12836373 82810901 248432703 910919911 2732759733 3064003337 9192010011 33704036707 101112110121