Search a number
-
+
21102202000122 = 2310334997839421
BaseRepresentation
bin1001100110001001111010…
…10000010001001011111010
32202201100110201222110200120
410303010331100101023322
510231214302203000442
6112514115012114110
74305404144315565
oct463047520211372
982640421873616
1021102202000122
1167a6436994341
1224498b8905936
13ba0c10340b59
1452d4cdd634dc
15268db3ceb4ec
hex13313d4112fa

21102202000122 has 32 divisors (see below), whose sum is σ = 42736259529600. Its totient is φ = 6945816104640.

The previous prime is 21102202000079. The next prime is 21102202000123. The reversal of 21102202000122 is 22100020220112.

It is not an unprimeable number, because it can be changed into a prime (21102202000123) 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, 48704029 + ... + 49135392.

It is an arithmetic number, because the mean of its divisors is an integer number (1335508110300).

Almost surely, 221102202000122 is an apocalyptic number.

21102202000122 is an abundant number, since it is smaller than the sum of its proper divisors (21634057529478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21102202000122 is a wasteful number, since it uses less digits than its factorization.

21102202000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97839878.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 21102202000122 its reverse (22100020220112), we get a palindrome (43202222220234).

The spelling of 21102202000122 in words is "twenty-one trillion, one hundred two billion, two hundred two million, one hundred twenty-two", and thus it is an aban number.

Divisors: 1 2 3 6 103 206 309 349 618 698 1047 2094 35947 71894 107841 215682 97839421 195678842 293518263 587036526 10077460363 20154920726 30232381089 34145957929 60464762178 68291915858 102437873787 204875747574 3517033666687 7034067333374 10551101000061 21102202000122