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11202121201012 = 227319741445743
BaseRepresentation
bin1010001100000011001001…
…1101000111010101110100
31110122220122002100112120021
42203000302131013111310
52432013421011413022
635454103342214524
72234220002065000
oct243006235072564
943586562315507
1011202121201012
11362987a4198a5
12130b067884444
13633481045051
142aa285261700
151465d5e827c7
hexa3032747574

11202121201012 has 48 divisors (see below), whose sum is σ = 22977520473600. Its totient is φ = 4776538874016.

The previous prime is 11202121201009. The next prime is 11202121201013. The reversal of 11202121201012 is 21010212120211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202121201013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20452588 + ... + 20993155.

It is an arithmetic number, because the mean of its divisors is an integer number (478698343200).

Almost surely, 211202121201012 is an apocalyptic number.

It is an amenable number.

11202121201012 is an abundant number, since it is smaller than the sum of its proper divisors (11775399272588).

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

11202121201012 is a wasteful number, since it uses less digits than its factorization.

11202121201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41445965 (or 41445949 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11202121201012 its reverse (21010212120211), we get a palindrome (32212333321223).

The spelling of 11202121201012 in words is "eleven trillion, two hundred two billion, one hundred twenty-one million, two hundred one thousand, twelve".

Divisors: 1 2 4 7 14 28 49 98 196 197 343 394 686 788 1372 1379 2758 5516 9653 19306 38612 67571 135142 270284 41445743 82891486 165782972 290120201 580240402 1160480804 2030841407 4061682814 8123365628 8164811371 14215889849 16329622742 28431779698 32659245484 56863559396 57153679597 114307359194 228614718388 400075757179 800151514358 1600303028716 2800530300253 5601060600506 11202121201012