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101222012201020 = 2255061100610051
BaseRepresentation
bin10111000000111110010110…
…000101001010100000111100
3111021101201201001212022101121
4113000332112011022200330
5101231410140110413040
6555140430033120324
730215022552361414
oct2700762605124074
9437351631768347
10101222012201020
112a286018042737
12b4296070b90a4
13446326bc65269
141add258975644
15ba803bbe8c4a
hex5c0f9614a83c

101222012201020 has 12 divisors (see below), whose sum is σ = 212566225622184. Its totient is φ = 40488804880400.

The previous prime is 101222012200951. The next prime is 101222012201021. The reversal of 101222012201020 is 20102210222101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101222012200985 and 101222012201003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101222012201021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2530550305006 + ... + 2530550305045.

It is an arithmetic number, because the mean of its divisors is an integer number (17713852135182).

Almost surely, 2101222012201020 is an apocalyptic number.

101222012201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101222012201020 is an abundant number, since it is smaller than the sum of its proper divisors (111344213421164).

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

101222012201020 is a wasteful number, since it uses less digits than its factorization.

101222012201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5061100610060 (or 5061100610058 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 101222012201020 its reverse (20102210222101), we get a palindrome (121324222423121).

The spelling of 101222012201020 in words is "one hundred one trillion, two hundred twenty-two billion, twelve million, two hundred one thousand, twenty".

Divisors: 1 2 4 5 10 20 5061100610051 10122201220102 20244402440204 25305503050255 50611006100510 101222012201020