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11101200220 = 2251156389627
BaseRepresentation
bin10100101011010111…
…01101111101011100
31001122122212101211201
422111223231331130
5140213401401340
65033321125244
7542045434135
oct122553557534
931578771751
1011101200220
11478737a040
122199929824
13107bb9b536
147744d4c8c
1544e8ce79a
hex295aedf5c

11101200220 has 48 divisors (see below), whose sum is σ = 25477296768. Its totient is φ = 4029584960.

The previous prime is 11101200193. The next prime is 11101200247. The reversal of 11101200220 is 2200210111.

Adding to 11101200220 its reverse (2200210111), we get a palindrome (13301410331).

It is an interprime number because it is at equal distance from previous prime (11101200193) and next prime (11101200247).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 11101200197 and 11101200206.

It is a congruent number.

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, 79047 + ... + 168673.

It is an arithmetic number, because the mean of its divisors is an integer number (530777016).

Almost surely, 211101200220 is an apocalyptic number.

11101200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11101200220 is an abundant number, since it is smaller than the sum of its proper divisors (14376096548).

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

11101200220 is a wasteful number, since it uses less digits than its factorization.

11101200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90210 (or 90208 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The spelling of 11101200220 in words is "eleven billion, one hundred one million, two hundred thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 563 1126 2252 2815 5630 6193 11260 12386 24772 30965 61930 89627 123860 179254 358508 448135 896270 985897 1792540 1971794 3943588 4929485 9858970 19717940 50460001 100920002 201840004 252300005 504600010 555060011 1009200020 1110120022 2220240044 2775300055 5550600110 11101200220