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2211011113120 = 25541483169767
BaseRepresentation
bin100000001011001010100…
…010000011000010100000
321211101000011111001000221
4200023022202003002200
5242211122321104440
64411420253252424
7315511626241465
oct40131242030240
97741004431027
102211011113120
11782759150277
122b8613194114
13130660b9c2a4
14790290d566c
153c7a7e88d4a
hex202ca8830a0

2211011113120 has 96 divisors (see below), whose sum is σ = 5352100862976. Its totient is φ = 862642636800.

The previous prime is 2211011113117. The next prime is 2211011113133. The reversal of 2211011113120 is 213111101122.

It is a happy number.

It is a super-2 number, since 2×22110111131202 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 2211011113094 and 2211011113103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31656477 + ... + 31726243.

It is an arithmetic number, because the mean of its divisors is an integer number (55751050656).

Almost surely, 22211011113120 is an apocalyptic number.

2211011113120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2211011113120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2676050431488).

2211011113120 is an abundant number, since it is smaller than the sum of its proper divisors (3141089749856).

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

2211011113120 is a wasteful number, since it uses less digits than its factorization.

2211011113120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74654 (or 74646 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 2211011113120 its reverse (213111101122), we get a palindrome (2424122214242).

The spelling of 2211011113120 in words is "two trillion, two hundred eleven billion, eleven million, one hundred thirteen thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 41 80 82 160 164 205 328 410 656 820 1312 1640 3280 4831 6560 9662 19324 24155 38648 48310 69767 77296 96620 139534 154592 193240 198071 279068 348835 386480 396142 558136 697670 772960 792284 990355 1116272 1395340 1584568 1980710 2232544 2790680 2860447 3169136 3961420 5581360 5720894 6338272 7922840 11162720 11441788 14302235 15845680 22883576 28604470 31691360 45767152 57208940 91534304 114417880 228835760 337044377 457671520 674088754 1348177508 1685221885 2696355016 3370443770 5392710032 6740887540 10785420064 13481775080 13818819457 26963550160 27637638914 53927100320 55275277828 69094097285 110550555656 138188194570 221101111312 276376389140 442202222624 552752778280 1105505556560 2211011113120