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11110012112220 = 2235783173180523
BaseRepresentation
bin1010000110101100000001…
…0100110100110101011100
31110100002212211212000112020
42201223000110310311130
52424011301100042340
635343511420540140
72224446312541350
oct241530024646534
943302784760466
1011110012112220
1135a380322211a
1212b52406b1650
136278922a2048
142a5a281cd460
15143ee48959d0
hexa1ac0534d5c

11110012112220 has 96 divisors (see below), whose sum is σ = 35556324561408. Its totient is φ = 2539125211392.

The previous prime is 11110012112209. The next prime is 11110012112299. The reversal of 11110012112220 is 2221121001111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11110012112220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1902879 + ... + 5083401.

It is an arithmetic number, because the mean of its divisors is an integer number (370378380848).

Almost surely, 211110012112220 is an apocalyptic number.

11110012112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11110012112220 is an abundant number, since it is smaller than the sum of its proper divisors (24446312449188).

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

11110012112220 is a wasteful number, since it uses less digits than its factorization.

11110012112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3188859 (or 3188857 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11110012112220 its reverse (2221121001111), we get a palindrome (13331133113331).

The spelling of 11110012112220 in words is "eleven trillion, one hundred ten billion, twelve million, one hundred twelve thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 8317 16634 24951 33268 41585 49902 58219 83170 99804 116438 124755 166340 174657 232876 249510 291095 349314 499020 582190 698628 873285 1164380 1746570 3180523 3493140 6361046 9541569 12722092 15902615 19083138 22263661 31805230 38166276 44527322 47707845 63610460 66790983 89054644 95415690 111318305 133581966 190831380 222636610 267163932 333954915 445273220 667909830 1335819660 26452409791 52904819582 79357229373 105809639164 132262048955 158714458746 185166868537 264524097910 317428917492 370333737074 396786146865 529048195820 555500605611 740667474148 793572293730 925834342685 1111001211222 1587144587460 1851668685370 2222002422444 2777503028055 3703337370740 5555006056110 11110012112220