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1101110105 = 5220222021
BaseRepresentation
bin100000110100001…
…1001101101011001
32211201221012002202
41001220121231121
54223341010410
6301132335545
736200165354
oct10150315531
92751835082
101101110105
11515603357
122689145b5
1314717c054
14a634b29b
1566a04ca5
hex41a19b59

1101110105 has 4 divisors (see below), whose sum is σ = 1321332132. Its totient is φ = 880888080.

The previous prime is 1101110099. The next prime is 1101110107. The reversal of 1101110105 is 5010111011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 734464201 + 366645904 = 27101^2 + 19148^2 .

It is not a de Polignac number, because 1101110105 - 218 = 1100847961 is a prime.

It is a super-2 number, since 2×11011101052 = 2424886926666222050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1101110107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110111006 + ... + 110111015.

It is an arithmetic number, because the mean of its divisors is an integer number (330333033).

Almost surely, 21101110105 is an apocalyptic number.

It is an amenable number.

1101110105 is a deficient number, since it is larger than the sum of its proper divisors (220222027).

1101110105 is an equidigital number, since it uses as much as digits as its factorization.

1101110105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220222026.

The product of its (nonzero) digits is 5, while the sum is 11.

The square root of 1101110105 is about 33182.9791459417. The cubic root of 1101110105 is about 1032.6272530457.

Adding to 1101110105 its reverse (5010111011), we get a palindrome (6111221116).

The spelling of 1101110105 in words is "one billion, one hundred one million, one hundred ten thousand, one hundred five".

Divisors: 1 5 220222021 1101110105