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11201220010220 = 225560061000511
BaseRepresentation
bin1010001011111111110010…
…1111010110000011101100
31110122211022021121022012112
42202333330233112003230
52432010044310311340
635453434110423152
72234155450066412
oct242777457260354
943584267538175
1011201220010220
113629457753919
12130aa55b01ab8
13633369422666
142aa1db6b52b2
15146581cbd065
hexa2ffcbd60ec

11201220010220 has 12 divisors (see below), whose sum is σ = 23522562021504. Its totient is φ = 4480488004080.

The previous prime is 11201220010199. The next prime is 11201220010231. The reversal of 11201220010220 is 2201002210211.

It is a junction number, because it is equal to n+sod(n) for n = 11201220010195 and 11201220010204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280030500236 + ... + 280030500275.

It is an arithmetic number, because the mean of its divisors is an integer number (1960213501792).

Almost surely, 211201220010220 is an apocalyptic number.

11201220010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11201220010220 is an abundant number, since it is smaller than the sum of its proper divisors (12321342011284).

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

11201220010220 is a wasteful number, since it uses less digits than its factorization.

11201220010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560061000520 (or 560061000518 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11201220010220 its reverse (2201002210211), we get a palindrome (13402222220431).

The spelling of 11201220010220 in words is "eleven trillion, two hundred one billion, two hundred twenty million, ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 560061000511 1120122001022 2240244002044 2800305002555 5600610005110 11201220010220