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11102101212020 = 2257132469235047
BaseRepresentation
bin1010000110001110100011…
…0011001000101101110100
31110022100110112002122120112
42201203220303020231310
52423344100402241040
635340122422522152
72224046263154360
oct241435063105564
943270415078515
1011102101212020
1135a0413780775
1212b37b3296358
13626c01357200
142a54b76ba2a0
15143bd00ea365
hexa18e8cc8b74

11102101212020 has 72 divisors (see below), whose sum is σ = 28852324631424. Its totient is φ = 3513632024448.

The previous prime is 11102101212019. The next prime is 11102101212023. The reversal of 11102101212020 is 2021210120111.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 11102101211986 and 11102101212004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102101212023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234593864 + ... + 234641183.

It is an arithmetic number, because the mean of its divisors is an integer number (400726730992).

Almost surely, 211102101212020 is an apocalyptic number.

11102101212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11102101212020 is an abundant number, since it is smaller than the sum of its proper divisors (17750223419404).

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

11102101212020 is a wasteful number, since it uses less digits than its factorization.

11102101212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469235089 (or 469235074 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11102101212020 its reverse (2021210120111), we get a palindrome (13123311332131).

The spelling of 11102101212020 in words is "eleven trillion, one hundred two billion, one hundred one million, two hundred twelve thousand, twenty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 169 182 260 338 364 455 676 845 910 1183 1690 1820 2366 3380 4732 5915 11830 23660 469235047 938470094 1876940188 2346175235 3284645329 4692350470 6100055611 6569290658 9384700940 12200111222 13138581316 16423226645 24400222444 30500278055 32846453290 42700389277 61000556110 65692906580 79300722943 85400778554 122001112220 158601445886 170801557108 213501946385 317202891772 396503614715 427003892770 555105060601 793007229430 854007785540 1110210121202 1586014458860 2220420242404 2775525303005 5551050606010 11102101212020