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1220110101222 = 233164731013399
BaseRepresentation
bin10001110000010100001…
…110101010101011100110
311022122022120102002201020
4101300110032222223212
5124442241141214342
62332302201512010
7154102315512525
oct21602416525346
94278276362636
101220110101222
1143049a386861
121785704a2606
138b095a31a9c
14430a72b04bc
1521b104540ec
hex11c143aaae6

1220110101222 has 32 divisors (see below), whose sum is σ = 2519328614400. Its totient is φ = 393522711360.

The previous prime is 1220110101167. The next prime is 1220110101251. The reversal of 1220110101222 is 2221010110221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 697279 + ... + 1710677.

It is an arithmetic number, because the mean of its divisors is an integer number (78729019200).

Almost surely, 21220110101222 is an apocalyptic number.

1220110101222 is an abundant number, since it is smaller than the sum of its proper divisors (1299218513178).

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

1220110101222 is a wasteful number, since it uses less digits than its factorization.

1220110101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019908.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1220110101222 its reverse (2221010110221), we get a palindrome (3441120211443).

The spelling of 1220110101222 in words is "one trillion, two hundred twenty billion, one hundred ten million, one hundred one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 31 62 93 186 6473 12946 19419 38838 200663 401326 601989 1013399 1203978 2026798 3040197 6080394 31415369 62830738 94246107 188492214 6559731727 13119463454 19679195181 39358390362 203351683537 406703367074 610055050611 1220110101222