Search a number
-
+
11222210222231 = 1131975638771021
BaseRepresentation
bin1010001101001101111111…
…0110101001100010010111
31110201211111010101112222012
42203103133312221202113
52432331041304102411
635511225011454435
72235530554666661
oct243233766514227
943654433345865
1011222210222231
113637349120878
121312b335b741b
13635332cbb258
142ab22d2bb531
15146dae93518b
hexa34dfda9897

11222210222231 has 32 divisors (see below), whose sum is σ = 11423378248128. Its totient is φ = 11023377684480.

The previous prime is 11222210222227. The next prime is 11222210222243. The reversal of 11222210222231 is 13222201222211.

It is a cyclic number.

It is not a de Polignac number, because 11222210222231 - 22 = 11222210222227 is a prime.

It is a super-2 number, since 2×112222102222312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11222210222197 and 11222210222206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222210222281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10991390501 + ... + 10991391521.

It is an arithmetic number, because the mean of its divisors is an integer number (356980570254).

Almost surely, 211222210222231 is an apocalyptic number.

11222210222231 is a deficient number, since it is larger than the sum of its proper divisors (201168025897).

11222210222231 is a wasteful number, since it uses less digits than its factorization.

11222210222231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 11222210222231 its reverse (13222201222211), we get a palindrome (24444411444442).

The spelling of 11222210222231 in words is "eleven trillion, two hundred twenty-two billion, two hundred ten million, two hundred twenty-two thousand, two hundred thirty-one".

Divisors: 1 113 197 563 877 1021 22261 63619 99101 110911 115373 172769 201137 493751 574823 895417 12532943 19522897 22728481 55793863 64954999 97268947 101182121 113240131 176397149 504119771 10991391011 12796134803 19932877837 56965534123 99311594887 11222210222231