Search a number
-
+
110121311 = 523210557
BaseRepresentation
bin1101001000001…
…01000101011111
321200012202001002
412210011011133
5211142340221
614532140515
72505005246
oct644050537
9250182032
10110121311
1157184853
1230a6773b
1319a78651
14108a795d
159a0380b
hex690515f

110121311 has 4 divisors (see below), whose sum is σ = 110332392. Its totient is φ = 109910232.

The previous prime is 110121307. The next prime is 110121313. The reversal of 110121311 is 113121011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113121011 = 183161781.

It is a cyclic number.

It is not a de Polignac number, because 110121311 - 22 = 110121307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110121292 and 110121301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110121313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104756 + ... + 105801.

It is an arithmetic number, because the mean of its divisors is an integer number (27583098).

Almost surely, 2110121311 is an apocalyptic number.

110121311 is a deficient number, since it is larger than the sum of its proper divisors (211081).

110121311 is an equidigital number, since it uses as much as digits as its factorization.

110121311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211080.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 110121311 is about 10493.8701631000. The cubic root of 110121311 is about 479.3180579462.

Adding to 110121311 its reverse (113121011), we get a palindrome (223242322).

The spelling of 110121311 in words is "one hundred ten million, one hundred twenty-one thousand, three hundred eleven".

Divisors: 1 523 210557 110121311