Search a number
-
+
11102120120220 = 2235225257821441
BaseRepresentation
bin1010000110001110100111…
…1011010000111110011100
31110022100111211200021202020
42201203221323100332130
52423344120222321340
635340124340100140
72224046612655333
oct241435173207634
943270454607666
1011102120120220
1135a0423415788
1212b37b9694650
13626c052476ac
142a54b9ddcd1a
15143bd1ad29d0
hexa18e9ed0f9c

11102120120220 has 48 divisors (see below), whose sum is σ = 31086112182048. Its totient is φ = 2960548618240.

The previous prime is 11102120120209. The next prime is 11102120120243. The reversal of 11102120120220 is 2202102120111.

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 11102120120220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13104700 + ... + 13926140.

It is an arithmetic number, because the mean of its divisors is an integer number (647627337126).

Almost surely, 211102120120220 is an apocalyptic number.

11102120120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11102120120220 is an abundant number, since it is smaller than the sum of its proper divisors (19983992061828).

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

11102120120220 is a wasteful number, since it uses less digits than its factorization.

11102120120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046710 (or 1046708 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11102120120220 its reverse (2202102120111), we get a palindrome (13304222240331).

The spelling of 11102120120220 in words is "eleven trillion, one hundred two billion, one hundred twenty million, one hundred twenty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 225257 450514 675771 821441 901028 1126285 1351542 1642882 2252570 2464323 2703084 3285764 3378855 4107205 4505140 4928646 6757710 8214410 9857292 12321615 13515420 16428820 24643230 49286460 185035335337 370070670674 555106006011 740141341348 925176676685 1110212012022 1850353353370 2220424024044 2775530030055 3700706706740 5551060060110 11102120120220