Search a number
-
+
101120122001 = 686914721229
BaseRepresentation
bin101111000101100111…
…0101001110010010001
3100200000020100102202202
41132023032221302101
53124043222401001
6114242015052545
710206564566213
oct1361316516221
9320006312682
10101120122001
1139980744368
1217720b11155
1396c68b7222
144c73b1a5b3
15296c74796b
hex178b3a9c91

101120122001 has 4 divisors (see below), whose sum is σ = 101134850100. Its totient is φ = 101105393904.

The previous prime is 101120121961. The next prime is 101120122067. The reversal of 101120122001 is 100221021101.

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 25632010000 + 75488112001 = 160100^2 + 274751^2 .

It is a cyclic number.

It is not a de Polignac number, because 101120122001 - 226 = 101053013137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101120122601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7353746 + ... + 7367483.

It is an arithmetic number, because the mean of its divisors is an integer number (25283712525).

Almost surely, 2101120122001 is an apocalyptic number.

It is an amenable number.

101120122001 is a deficient number, since it is larger than the sum of its proper divisors (14728099).

101120122001 is an equidigital number, since it uses as much as digits as its factorization.

101120122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14728098.

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

Adding to 101120122001 its reverse (100221021101), we get a palindrome (201341143102).

The spelling of 101120122001 in words is "one hundred one billion, one hundred twenty million, one hundred twenty-two thousand, one".

Divisors: 1 6869 14721229 101120122001