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22122202102100 = 2252221222021021
BaseRepresentation
bin1010000011110101110011…
…11111110111100101010100
32220022212021022010100022022
411001322321333313211110
510344422232214231400
6115014444354152312
74442163535165052
oct501727177674524
986285238110268
1022122202102100
117059a783a8931
122593520882698
13c4616501b859
14566a126bb1d2
152856b12edb85
hex141eb9ff7954

22122202102100 has 18 divisors (see below), whose sum is σ = 48005178561774. Its totient is φ = 8848880840800.

The previous prime is 22122202102079. The next prime is 22122202102127. The reversal of 22122202102100 is 120120222122.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 5491579801744 + 16630622300356 = 2343412^2 + 4078066^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 110611010411 + ... + 110611010610.

It is an arithmetic number, because the mean of its divisors is an integer number (2666954364543).

Almost surely, 222122202102100 is an apocalyptic number.

22122202102100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22122202102100 is an abundant number, since it is smaller than the sum of its proper divisors (25882976459674).

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

22122202102100 is a wasteful number, since it uses less digits than its factorization.

22122202102100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221222021035 (or 221222021028 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22122202102100 its reverse (120120222122), we get a palindrome (22242322324222).

The spelling of 22122202102100 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred two million, one hundred two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 221222021021 442444042042 884888084084 1106110105105 2212220210210 4424440420420 5530550525525 11061101051050 22122202102100