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1222112201101 = 11415095323739
BaseRepresentation
bin10001110010001011100…
…100000100100110001101
311022211111002201022102121
4101302023210010212031
5130010341210413401
62333233001452541
7154203036211441
oct21621344044615
94284432638377
101222112201101
11431327528060
12178a2aaa1151
138b324762b7c
1443217154821
1521bcb0cdca1
hex11c8b90498d

1222112201101 has 16 divisors (see below), whose sum is σ = 1368414129600. Its totient is φ = 1081783561600.

The previous prime is 1222112201077. The next prime is 1222112201111. The reversal of 1222112201101 is 1011022112221.

It is a cyclic number.

It is not a de Polignac number, because 1222112201101 - 213 = 1222112192909 is a prime.

It is a super-2 number, since 2×12221122011012 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222112201111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2432311 + ... + 2891428.

It is an arithmetic number, because the mean of its divisors is an integer number (85525883100).

Almost surely, 21222112201101 is an apocalyptic number.

1222112201101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1222112201101 is a deficient number, since it is larger than the sum of its proper divisors (146301928499).

1222112201101 is a wasteful number, since it uses less digits than its factorization.

1222112201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5324300.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1222112201101 its reverse (1011022112221), we get a palindrome (2233134313322).

The spelling of 1222112201101 in words is "one trillion, two hundred twenty-two billion, one hundred twelve million, two hundred one thousand, one hundred one".

Divisors: 1 11 41 451 509 5599 20869 229559 5323739 58561129 218273299 2401006289 2709783151 29807614661 111101109191 1222112201101