Search a number
-
+
22111110220120 = 2351732516338559
BaseRepresentation
bin1010000011100001001001…
…10111101100100101011000
32220021210122021210100200121
411001300210313230211120
510344232023204020440
6115005412004443024
74441321631560525
oct501604467544530
986253567710617
1022111110220120
1170552a6313819
1225913460a9474
13c450b806378c
1456627d53014c
1528526266034a
hex141c24dec958

22111110220120 has 32 divisors (see below), whose sum is σ = 52676468467200. Its totient is φ = 8324182670848.

The previous prime is 22111110220117. The next prime is 22111110220159. The reversal of 22111110220120 is 2102201111122.

It is a super-2 number, since 2×221111102201202 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22111110220094 and 22111110220103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16258168600 + ... + 16258169959.

It is an arithmetic number, because the mean of its divisors is an integer number (1646139639600).

Almost surely, 222111110220120 is an apocalyptic number.

22111110220120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22111110220120 is an abundant number, since it is smaller than the sum of its proper divisors (30565358247080).

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

22111110220120 is a wasteful number, since it uses less digits than its factorization.

22111110220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32516338587 (or 32516338583 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22111110220120 its reverse (2102201111122), we get a palindrome (24213311331242).

The spelling of 22111110220120 in words is "twenty-two trillion, one hundred eleven billion, one hundred ten million, two hundred twenty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 32516338559 65032677118 130065354236 162581692795 260130708472 325163385590 552777755503 650326771180 1105555511006 1300653542360 2211111022012 2763888777515 4422222044024 5527777555030 11055555110060 22111110220120