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22112221101 = 327757146601
BaseRepresentation
bin10100100101111111…
…011011011110101101
32010002001001012212220
4110211333123132231
5330241212033401
614054101345553
71411650530625
oct244577333655
963061035786
1022112221101
119417854aa3
1243514082b9
1321151842c9
1410daa33885
158963e9336
hex525fdb7ad

22112221101 has 16 divisors (see below), whose sum is σ = 29641854528. Its totient is φ = 14662224000.

The previous prime is 22112221073. The next prime is 22112221121. The reversal of 22112221101 is 10112221122.

It is not a de Polignac number, because 22112221101 - 26 = 22112221037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112221121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 451201 + ... + 497801.

It is an arithmetic number, because the mean of its divisors is an integer number (1852615908).

Almost surely, 222112221101 is an apocalyptic number.

It is an amenable number.

22112221101 is a deficient number, since it is larger than the sum of its proper divisors (7529633427).

22112221101 is a wasteful number, since it uses less digits than its factorization.

22112221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47452.

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

Adding to 22112221101 its reverse (10112221122), we get a palindrome (32224442223).

The spelling of 22112221101 in words is "twenty-two billion, one hundred twelve million, two hundred twenty-one thousand, one hundred one".

Divisors: 1 3 277 571 831 1713 46601 139803 158167 474501 12908477 26609171 38725431 79827513 7370740367 22112221101