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212102211110222 = 21189712007742409
BaseRepresentation
bin110000001110011111100100…
…111100110000010101001110
31000210222202212202221112121202
4300032133210330300111032
5210300040312021011342
62031034224410225502
762450610342410156
oct6016374474602516
91023882782845552
10212102211110222
1161645051751074
121b9569b5425292
1391471ca5ac834
143a53b32193766
15197c3ea3ad332
hexc0e7e4f3054e

212102211110222 has 16 divisors (see below), whose sum is σ = 318206987140320. Its totient is φ = 106033216929408.

The previous prime is 212102211110191. The next prime is 212102211110243. The reversal of 212102211110222 is 222011112201212.

212102211110222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 212102211110194 and 212102211110203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285323354 + ... + 286065762.

It is an arithmetic number, because the mean of its divisors is an integer number (19887936696270).

Almost surely, 2212102211110222 is an apocalyptic number.

212102211110222 is a deficient number, since it is larger than the sum of its proper divisors (106104776030098).

212102211110222 is a wasteful number, since it uses less digits than its factorization.

212102211110222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766315.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 212102211110222 its reverse (222011112201212), we get a palindrome (434113323311434).

The spelling of 212102211110222 in words is "two hundred twelve trillion, one hundred two billion, two hundred eleven million, one hundred ten thousand, two hundred twenty-two".

Divisors: 1 2 11897 12007 23794 24014 742409 1484818 142847279 285694558 8832439873 8914104863 17664879746 17828209726 106051105555111 212102211110222