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222112011122101 = 472100548669589
BaseRepresentation
bin110010100000001001111011…
…100001011111010110110101
31002010102200220221121222110001
4302200021323201133112311
5213103040344321401401
62104220503235431301
764533030456561622
oct6240117341372665
91063380827558401
10222112011122101
11648541a1915061
1220ab2967155531
1396c20c3b73749
143cbc3c8a67349
151aa299a858601
hexca027b85f5b5

222112011122101 has 6 divisors (see below), whose sum is σ = 226938347264630. Its totient is φ = 217386223649256.

The previous prime is 222112011122081. The next prime is 222112011122129. The reversal of 222112011122101 is 101221110211222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 144128452633201 + 77983558488900 = 12005351^2 + 8830830^2 .

It is not a de Polignac number, because 222112011122101 - 229 = 222111474251189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222112011122161) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50274332586 + ... + 50274337003.

Almost surely, 2222112011122101 is an apocalyptic number.

It is an amenable number.

222112011122101 is a deficient number, since it is larger than the sum of its proper divisors (4826336142529).

222112011122101 is an equidigital number, since it uses as much as digits as its factorization.

222112011122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100548669683 (or 100548669636 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 222112011122101 its reverse (101221110211222), we get a palindrome (323333121333323).

The spelling of 222112011122101 in words is "two hundred twenty-two trillion, one hundred twelve billion, eleven million, one hundred twenty-two thousand, one hundred one".

Divisors: 1 47 2209 100548669589 4725787470683 222112011122101