Search a number
-
+
11222031011 = 311211317077
BaseRepresentation
bin10100111001110001…
…01001101010100011
31001222002020020112012
422130320221222203
5140440314443021
65053315023135
7545043455402
oct123470515243
931862206465
1011222031011
1148395a8aa4
12221229aaab
13109ac26649
14786589639
1545a2eb35b
hex29ce29aa3

11222031011 has 8 divisors (see below), whose sum is σ = 11264102304. Its totient is φ = 11179998720.

The previous prime is 11222031001. The next prime is 11222031059. The reversal of 11222031011 is 11013022211.

11222031011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11222031011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11222031001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 648605 + ... + 665681.

It is an arithmetic number, because the mean of its divisors is an integer number (1408012788).

Almost surely, 211222031011 is an apocalyptic number.

11222031011 is a deficient number, since it is larger than the sum of its proper divisors (42071293).

11222031011 is a wasteful number, since it uses less digits than its factorization.

11222031011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19501.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11222031011 its reverse (11013022211), we get a palindrome (22235053222).

The spelling of 11222031011 in words is "eleven billion, two hundred twenty-two million, thirty-one thousand, eleven".

Divisors: 1 311 2113 17077 657143 5310947 36083701 11222031011