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22112031202120 = 235552800780053
BaseRepresentation
bin1010000011100010110111…
…10000111101101101001000
32220021220000110210002111001
411001301123300331231020
510344240414441431440
6115010043224344344
74441353514025326
oct501613360755510
986256013702431
1022112031202120
117055729177172
1225915626150b4
13c45203ac5542
1456632998cd16
152852b8433b9a
hex141c5bc3db48

22112031202120 has 16 divisors (see below), whose sum is σ = 49752070204860. Its totient is φ = 8844812480832.

The previous prime is 22112031202109. The next prime is 22112031202259. The reversal of 22112031202120 is 2120213021122.

It can be written as a sum of positive squares in 2 ways, for example, as 20050101774756 + 2061929427364 = 4477734^2 + 1435942^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276400389987 + ... + 276400390066.

Almost surely, 222112031202120 is an apocalyptic number.

22112031202120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22112031202120 is an abundant number, since it is smaller than the sum of its proper divisors (27640039002740).

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

22112031202120 is a wasteful number, since it uses less digits than its factorization.

22112031202120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552800780064 (or 552800780060 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 22112031202120 its reverse (2120213021122), we get a palindrome (24232244223242).

The spelling of 22112031202120 in words is "twenty-two trillion, one hundred twelve billion, thirty-one million, two hundred two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 552800780053 1105601560106 2211203120212 2764003900265 4422406240424 5528007800530 11056015601060 22112031202120