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22101011111120 = 2454752311238869
BaseRepresentation
bin1010000011001110010101…
…11010101001110011010000
32220020211120110112110120112
411001213022322221303100
510344100332321023440
6115001021521500452
74440513441554204
oct501471272516320
986224513473515
1022101011111120
117050a93666747
12258b3a7aa1728
13c44168985236
145659a216cb04
15284d70c26965
hex1419caea9cd0

22101011111120 has 80 divisors (see below), whose sum is σ = 52578490832640. Its totient is φ = 8635766349312.

The previous prime is 22101011111119. The next prime is 22101011111129. The reversal of 22101011111120 is 2111111010122.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 22101011111095 and 22101011111104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101011111129) 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, 3652955 + ... + 7585914.

It is an arithmetic number, because the mean of its divisors is an integer number (657231135408).

Almost surely, 222101011111120 is an apocalyptic number.

22101011111120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22101011111120 is an abundant number, since it is smaller than the sum of its proper divisors (30477479721520).

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

22101011111120 is a wasteful number, since it uses less digits than its factorization.

22101011111120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11239452 (or 11239446 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 22101011111120 its reverse (2111111010122), we get a palindrome (24212122121242).

The spelling of 22101011111120 in words is "twenty-two trillion, one hundred one billion, eleven million, one hundred eleven thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 47 80 94 188 235 376 470 523 752 940 1046 1880 2092 2615 3760 4184 5230 8368 10460 20920 24581 41840 49162 98324 122905 196648 245810 393296 491620 983240 1966480 11238869 22477738 44955476 56194345 89910952 112388690 179821904 224777380 449554760 528226843 899109520 1056453686 2112907372 2641134215 4225814744 5282268430 5877928487 8451629488 10564536860 11755856974 21129073720 23511713948 29389642435 42258147440 47023427896 58779284870 94046855792 117558569740 235117139480 276262638889 470234278960 552525277778 1105050555556 1381313194445 2210101111112 2762626388890 4420202222224 5525252777780 11050505555560 22101011111120