Search a number
-
+
2111222310211 = 72340933203807
BaseRepresentation
bin11110101110001110101…
…001111110010101000011
321110211102201020121201201
4132232032221332111003
5234042240402411321
64253514313042031
7305350025354110
oct36561651762503
97424381217651
102111222310211
11744400a55723
122a12040b6317
1312411a067551
147428012d907
1539db756b291
hex1eb8ea7e543

2111222310211 has 16 divisors (see below), whose sum is σ = 2518346870784. Its totient is φ = 1730516588064.

The previous prime is 2111222310191. The next prime is 2111222310217. The reversal of 2111222310211 is 1120132221112.

It is a cyclic number.

It is not a de Polignac number, because 2111222310211 - 29 = 2111222309699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2111222310217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 942931 + ... + 2260876.

It is an arithmetic number, because the mean of its divisors is an integer number (157396679424).

Almost surely, 22111222310211 is an apocalyptic number.

2111222310211 is a deficient number, since it is larger than the sum of its proper divisors (407124560573).

2111222310211 is a wasteful number, since it uses less digits than its factorization.

2111222310211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3207930.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 2111222310211 its reverse (1120132221112), we get a palindrome (3231354531323).

The spelling of 2111222310211 in words is "two trillion, one hundred eleven billion, two hundred twenty-two million, three hundred ten thousand, two hundred eleven".

Divisors: 1 7 23 161 4093 28651 94139 658973 3203807 22426649 73687561 515812927 13113182051 91792274357 301603187173 2111222310211