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211211222112112 = 2415187421863457
BaseRepresentation
bin110000000001100001110001…
…110111011101011101110000
31000200211121002012221210011011
4300001201301313131131300
5210140441040330041422
62025113032420000304
762326335660032155
oct6001416167353560
91020747065853134
10211211222112112
11613311a3687382
121b832196b30094
1390b1195956611
143a2296b84822c
15196414ded3077
hexc01871ddd770

211211222112112 has 20 divisors (see below), whose sum is σ = 411931820614096. Its totient is φ = 104906236147200.

The previous prime is 211211222112053. The next prime is 211211222112167.

211211222112112 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2112112221121122 (a number of 29 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 43710929313 + ... + 43710934144.

Almost surely, 2211211222112112 is an apocalyptic number.

It is an amenable number.

211211222112112 is a deficient number, since it is larger than the sum of its proper divisors (200720598501984).

211211222112112 is a wasteful number, since it uses less digits than its factorization.

211211222112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87421863616 (or 87421863610 counting only the distinct ones).

The product of its digits is 128, while the sum is 22.

The spelling of 211211222112112 in words is "two hundred eleven trillion, two hundred eleven billion, two hundred twenty-two million, one hundred twelve thousand, one hundred twelve".

Divisors: 1 2 4 8 16 151 302 604 1208 2416 87421863457 174843726914 349687453828 699374907656 1398749815312 13200701382007 26401402764014 52802805528028 105605611056056 211211222112112