Search a number
-
+
12101321101 = 109311239859
BaseRepresentation
bin10110100010100101…
…11000000110001101
31011020100202210202211
423101102320012031
5144240414233401
65320445150421
7605611350352
oct132122700615
934210683684
1012101321101
11514a975721
12241885b411
1311ab14b73c
1482b274629
154ac5d6951
hex2d14b818d

12101321101 has 8 divisors (see below), whose sum is σ = 12124408160. Its totient is φ = 12078258192.

The previous prime is 12101321077. The next prime is 12101321117. The reversal of 12101321101 is 10112310121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12101321101 - 29 = 12101320589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101391101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1222510 + ... + 1232368.

It is an arithmetic number, because the mean of its divisors is an integer number (1515551020).

Almost surely, 212101321101 is an apocalyptic number.

It is an amenable number.

12101321101 is a deficient number, since it is larger than the sum of its proper divisors (23087059).

12101321101 is a wasteful number, since it uses less digits than its factorization.

12101321101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12075.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 12101321101 its reverse (10112310121), we get a palindrome (22213631222).

The spelling of 12101321101 in words is "twelve billion, one hundred one million, three hundred twenty-one thousand, one hundred one".

Divisors: 1 1093 1123 9859 1227439 10775887 11071657 12101321101