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11011100022220 = 2254366467192631
BaseRepresentation
bin1010000000111011100010…
…1101001001010111001100
31102222122120111022020020111
42200032320231021113030
52420401213101202340
635230232435325404
72214345215623204
oct240167055112714
942878514266214
1011011100022220
1135658659a39a1
12129a037150864
1361b45ac9c33c
142a0d23841404
15141655e04aea
hexa03b8b495cc

11011100022220 has 48 divisors (see below), whose sum is σ = 23661540258048. Its totient is φ = 4301924114880.

The previous prime is 11011100022193. The next prime is 11011100022239. The reversal of 11011100022220 is 2222000111011.

It is a self number, because there is not a number n which added to its sum of digits gives 11011100022220.

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, 57065305 + ... + 57257935.

It is an arithmetic number, because the mean of its divisors is an integer number (492948755376).

Almost surely, 211011100022220 is an apocalyptic number.

11011100022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11011100022220 is an abundant number, since it is smaller than the sum of its proper divisors (12650440235828).

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

11011100022220 is a wasteful number, since it uses less digits than its factorization.

11011100022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259150 (or 259148 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11011100022220 its reverse (2222000111011), we get a palindrome (13233100133231).

The spelling of 11011100022220 in words is "eleven trillion, eleven billion, one hundred million, twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 66467 132934 192631 265868 332335 385262 664670 770524 963155 1329340 1926310 2858081 3852620 5716162 8283133 11432324 14290405 16566266 28580810 33132532 41415665 57161620 82831330 165662660 12803604677 25607209354 51214418708 64018023385 128036046770 256072093540 550555001111 1101110002222 2202220004444 2752775005555 5505550011110 11011100022220